Evaluate
x\left(8+x-4x^{3}\right)
Expand
8x+x^{2}-4x^{4}
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x^{3}+x^{2}-x^{3}-4x^{4}+8x
Use the distributive property to multiply x^{2} by 1-x-4x^{2}.
x^{2}-4x^{4}+8x
Combine x^{3} and -x^{3} to get 0.
x^{3}+x^{2}-x^{3}-4x^{4}+8x
Use the distributive property to multiply x^{2} by 1-x-4x^{2}.
x^{2}-4x^{4}+8x
Combine x^{3} and -x^{3} to get 0.
Examples
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