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-65x^{4}
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-65x^{4}
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-x^{4}+\left(-4\right)^{3}x^{3}x
Expand \left(-4x\right)^{3}.
-x^{4}-64x^{3}x
Calculate -4 to the power of 3 and get -64.
-x^{4}-64x^{4}
To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.
-65x^{4}
Combine -x^{4} and -64x^{4} to get -65x^{4}.
-x^{4}+\left(-4\right)^{3}x^{3}x
Expand \left(-4x\right)^{3}.
-x^{4}-64x^{3}x
Calculate -4 to the power of 3 and get -64.
-x^{4}-64x^{4}
To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.
-65x^{4}
Combine -x^{4} and -64x^{4} to get -65x^{4}.
Examples
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}