Evaluate
\left(x-7\right)^{2}
Expand
x^{2}-14x+49
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\left(x-7\right)^{2}
Subtract 10 from 3 to get -7.
x^{2}-14x+49
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-7\right)^{2}.
\left(x-7\right)^{2}
Subtract 10 from 3 to get -7.
x^{2}-14x+49
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-7\right)^{2}.
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