Expand
49x^{2}+14x+1
Evaluate
\left(7x+1\right)^{2}
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49x^{2}+14x+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(7x+1\right)^{2}.
49x^{2}+14x+1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(7x+1\right)^{2}.
Examples
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