Expand
81x^{4}-126x^{3}+67x^{2}-14x+1
Evaluate
\left(9x^{2}-7x+1\right)^{2}
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81x^{4}-126x^{3}+67x^{2}-14x+1
Square 9x^{2}-7x+1.
81x^{4}-126x^{3}+67x^{2}-14x+1
Square 9x^{2}-7x+1.
Examples
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Matrix
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