Expand
x^{4}+4x^{3}-8x^{2}-24x+36
Evaluate
\left(6-2x-x^{2}\right)^{2}
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x^{4}+4x^{3}-8x^{2}-24x+36
Square 6-2x-x^{2}.
x^{4}+4x^{3}-8x^{2}-24x+36
Square 6-2x-x^{2}.
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