Solve (-2a)^{3}+[(-2a)^{5}(-2a)^{3}]^{2}-(-3a)^{2}(2a^{2})*[(2a)^{4}*(-3a^5)]:(-2a^2)^3+2a^4

$$( - 2 a ) ^ { 3 } + [ ( - 2 a ) ^ { 5 } ( - 2 a ) ^ { 3 } ] ^ { 2 } - ( - 3 a ) ^ { 2 } ( 2 a ^ { 2 } ) \cdot [ ( 2 a ) ^ { 4 } \cdot ( - 3 a ^ { 5 } ) ] : ( - 2 a ^ { 2 } ) ^ { 3 } + 2 a ^ { 4 }$$

Evaluate

$$2a^{3}\left(32768a^{13}-54a^{4}+a-4\right)$$

Solution Steps

To multiply powers of the same base, add their exponents. Add 5 and 3 to get 8.

$$\left(-2a\right)^{3}+\left(\left(-2a\right)^{8}\right)^{2}-\frac{\left(-3a\right)^{2}\times 2a^{2}\times \left(2a\right)^{4}\left(-3\right)a^{5}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To raise a power to another power, multiply the exponents. Multiply 8 and 2 to get 16.

$$\left(-2a\right)^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{2}\times \left(2a\right)^{4}\left(-3\right)a^{5}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 2 and 5 to get 7.

$$\left(-2a\right)^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a\right)^{3}.

$$\left(-2\right)^{3}a^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -2 to the power of 3 and get -8.

$$-8a^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a\right)^{16}.

$$-8a^{3}+\left(-2\right)^{16}a^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -2 to the power of 16 and get 65536.

$$-8a^{3}+65536a^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-3a\right)^{2}.

$$-8a^{3}+65536a^{16}-\frac{\left(-3\right)^{2}a^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -3 to the power of 2 and get 9.

$$-8a^{3}+65536a^{16}-\frac{9a^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 9 and 2 to get 18.

$$-8a^{3}+65536a^{16}-\frac{18a^{2}a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 2 and 7 to get 9.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(2a\right)^{4}.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times 2^{4}a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate 2 to the power of 4 and get 16.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times 16a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 18 and 16 to get 288.

$$-8a^{3}+65536a^{16}-\frac{288a^{9}a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 9 and 4 to get 13.

$$-8a^{3}+65536a^{16}-\frac{288a^{13}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 288 and -3 to get -864.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a^{2}\right)^{3}.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2\right)^{3}\left(a^{2}\right)^{3}}+2a^{4}$$

To raise a power to another power, multiply the exponents. Multiply 2 and 3 to get 6.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2\right)^{3}a^{6}}+2a^{4}$$

Calculate -2 to the power of 3 and get -8.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{-8a^{6}}+2a^{4}$$

Cancel out 8a^{6} in both numerator and denominator.

$$-8a^{3}+65536a^{16}-\frac{-108a^{7}}{-1}+2a^{4}$$

Anything divided by -1 gives its opposite.

$$-8a^{3}+65536a^{16}-108a^{7}+2a^{4}$$

Expand

$$65536a^{16}-108a^{7}+2a^{4}-8a^{3}$$

Solution Steps

To multiply powers of the same base, add their exponents. Add 5 and 3 to get 8.

$$\left(-2a\right)^{3}+\left(\left(-2a\right)^{8}\right)^{2}-\frac{\left(-3a\right)^{2}\times 2a^{2}\times \left(2a\right)^{4}\left(-3\right)a^{5}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To raise a power to another power, multiply the exponents. Multiply 8 and 2 to get 16.

$$\left(-2a\right)^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{2}\times \left(2a\right)^{4}\left(-3\right)a^{5}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 2 and 5 to get 7.

$$\left(-2a\right)^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a\right)^{3}.

$$\left(-2\right)^{3}a^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -2 to the power of 3 and get -8.

$$-8a^{3}+\left(-2a\right)^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a\right)^{16}.

$$-8a^{3}+\left(-2\right)^{16}a^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -2 to the power of 16 and get 65536.

$$-8a^{3}+65536a^{16}-\frac{\left(-3a\right)^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-3a\right)^{2}.

$$-8a^{3}+65536a^{16}-\frac{\left(-3\right)^{2}a^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate -3 to the power of 2 and get 9.

$$-8a^{3}+65536a^{16}-\frac{9a^{2}\times 2a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 9 and 2 to get 18.

$$-8a^{3}+65536a^{16}-\frac{18a^{2}a^{7}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 2 and 7 to get 9.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times \left(2a\right)^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(2a\right)^{4}.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times 2^{4}a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Calculate 2 to the power of 4 and get 16.

$$-8a^{3}+65536a^{16}-\frac{18a^{9}\times 16a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 18 and 16 to get 288.

$$-8a^{3}+65536a^{16}-\frac{288a^{9}a^{4}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

To multiply powers of the same base, add their exponents. Add 9 and 4 to get 13.

$$-8a^{3}+65536a^{16}-\frac{288a^{13}\left(-3\right)}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Multiply 288 and -3 to get -864.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2a^{2}\right)^{3}}+2a^{4}$$

Expand \left(-2a^{2}\right)^{3}.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2\right)^{3}\left(a^{2}\right)^{3}}+2a^{4}$$

To raise a power to another power, multiply the exponents. Multiply 2 and 3 to get 6.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{\left(-2\right)^{3}a^{6}}+2a^{4}$$

Calculate -2 to the power of 3 and get -8.

$$-8a^{3}+65536a^{16}-\frac{-864a^{13}}{-8a^{6}}+2a^{4}$$

Cancel out 8a^{6} in both numerator and denominator.

$$-8a^{3}+65536a^{16}-\frac{-108a^{7}}{-1}+2a^{4}$$

Anything divided by -1 gives its opposite.

$$-8a^{3}+65536a^{16}-108a^{7}+2a^{4}$$