Expand
m^{2}+m-12
Evaluate
\left(m-3\right)\left(m+4\right)
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m^{2}+4m-3m-12
Apply the distributive property by multiplying each term of m-3 by each term of m+4.
m^{2}+m-12
Combine 4m and -3m to get m.
m^{2}+4m-3m-12
Apply the distributive property by multiplying each term of m-3 by each term of m+4.
m^{2}+m-12
Combine 4m and -3m to get m.
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