Evaluate
\left(x+1\right)^{3}
Expand
x^{3}+3x^{2}+3x+1
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-\left(-x-1\right)^{3}
To find the opposite of x+1, find the opposite of each term.
-\left(-x^{3}-3x^{2}-3x-1\right)
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(-x-1\right)^{3}.
x^{3}+3x^{2}+3x+1
To find the opposite of -x^{3}-3x^{2}-3x-1, find the opposite of each term.
-\left(-x-1\right)^{3}
To find the opposite of x+1, find the opposite of each term.
-\left(-x^{3}-3x^{2}-3x-1\right)
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(-x-1\right)^{3}.
x^{3}+3x^{2}+3x+1
To find the opposite of -x^{3}-3x^{2}-3x-1, find the opposite of each term.
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