Evaluate
\left(m-1\right)^{2}
Expand
m^{2}-2m+1
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\left(m-1\right)^{2}
Multiply m-1 and m-1 to get \left(m-1\right)^{2}.
m^{2}-2m+1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-1\right)^{2}.
\left(m-1\right)^{2}
Multiply m-1 and m-1 to get \left(m-1\right)^{2}.
m^{2}-2m+1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(m-1\right)^{2}.
Examples
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