Evaluate
\left(\left(x-4\right)\left(x-1\right)\right)^{2}
Expand
x^{4}-10x^{3}+33x^{2}-40x+16
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\left(x^{2}-5x+4\right)^{2}
Multiply x^{2}-5x+4 and x^{2}-5x+4 to get \left(x^{2}-5x+4\right)^{2}.
x^{4}-10x^{3}+33x^{2}-40x+16
Square x^{2}-5x+4.
\left(x^{2}-5x+4\right)^{2}
Multiply x^{2}-5x+4 and x^{2}-5x+4 to get \left(x^{2}-5x+4\right)^{2}.
x^{4}-10x^{3}+33x^{2}-40x+16
Square x^{2}-5x+4.
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