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2a^{5}\left(-a\right)^{3}+\left(-2\right)^{4}\left(a^{2}\right)^{4}
Expand \left(-2a^{2}\right)^{4}.
2a^{5}\left(-a\right)^{3}+\left(-2\right)^{4}a^{8}
To raise a power to another power, multiply the exponents. Multiply 2 and 4 to get 8.
2a^{5}\left(-a\right)^{3}+16a^{8}
Calculate -2 to the power of 4 and get 16.
2a^{5}\left(-1\right)^{3}a^{3}+16a^{8}
Expand \left(-a\right)^{3}.
2a^{5}\left(-1\right)a^{3}+16a^{8}
Calculate -1 to the power of 3 and get -1.
-2a^{5}a^{3}+16a^{8}
Multiply 2 and -1 to get -2.
-2a^{8}+16a^{8}
To multiply powers of the same base, add their exponents. Add 5 and 3 to get 8.
14a^{8}
Combine -2a^{8} and 16a^{8} to get 14a^{8}.
2a^{5}\left(-a\right)^{3}+\left(-2\right)^{4}\left(a^{2}\right)^{4}
Expand \left(-2a^{2}\right)^{4}.
2a^{5}\left(-a\right)^{3}+\left(-2\right)^{4}a^{8}
To raise a power to another power, multiply the exponents. Multiply 2 and 4 to get 8.
2a^{5}\left(-a\right)^{3}+16a^{8}
Calculate -2 to the power of 4 and get 16.
2a^{5}\left(-1\right)^{3}a^{3}+16a^{8}
Expand \left(-a\right)^{3}.
2a^{5}\left(-1\right)a^{3}+16a^{8}
Calculate -1 to the power of 3 and get -1.
-2a^{5}a^{3}+16a^{8}
Multiply 2 and -1 to get -2.
-2a^{8}+16a^{8}
To multiply powers of the same base, add their exponents. Add 5 and 3 to get 8.
14a^{8}
Combine -2a^{8} and 16a^{8} to get 14a^{8}.