Expand
6561c^{2}-810c+25
Evaluate
\left(81c-5\right)^{2}
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6561c^{2}-810c+25
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(81c-5\right)^{2}.
6561c^{2}-810c+25
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(81c-5\right)^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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