Evaluate
3\left(m+1\right)^{2}
Expand
3m^{2}+6m+3
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3\left(m^{2}+2m+1\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(m+1\right)^{2}.
3m^{2}+6m+3
Use the distributive property to multiply 3 by m^{2}+2m+1.
3\left(m^{2}+2m+1\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(m+1\right)^{2}.
3m^{2}+6m+3
Use the distributive property to multiply 3 by m^{2}+2m+1.
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