Expand
64x^{2}-112x+49
Evaluate
\left(7-8x\right)^{2}
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49-112x+64x^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(7-8x\right)^{2}.
49-112x+64x^{2}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(7-8x\right)^{2}.
Examples
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