Expand
x^{4}-8x^{3}+20x^{2}-16x+4
Evaluate
\left(x^{2}-4x+2\right)^{2}
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x^{4}-8x^{3}+20x^{2}-16x+4
Square x^{2}-4x+2.
x^{4}-8x^{3}+20x^{2}-16x+4
Square x^{2}-4x+2.
Examples
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Matrix
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Simultaneous equation
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