Expand
x^{4}+2x^{3}-7x^{2}-8x+16
Evaluate
\left(x^{2}+x-4\right)^{2}
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x^{4}+2x^{3}-7x^{2}-8x+16
Square x^{2}+x-4.
x^{4}+2x^{3}-7x^{2}-8x+16
Square x^{2}+x-4.
Examples
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