Evaluate
\left(g+h\right)\left(g+12h\right)
Expand
g^{2}+13gh+12h^{2}
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\frac{1}{2}g\times 2g+\frac{1}{2}g\times 2h+12hg+12h^{2}
Apply the distributive property by multiplying each term of \frac{1}{2}g+6h by each term of 2g+2h.
\frac{1}{2}g^{2}\times 2+\frac{1}{2}g\times 2h+12hg+12h^{2}
Multiply g and g to get g^{2}.
g^{2}+\frac{1}{2}g\times 2h+12hg+12h^{2}
Cancel out 2 and 2.
g^{2}+gh+12hg+12h^{2}
Cancel out 2 and 2.
g^{2}+13gh+12h^{2}
Combine gh and 12hg to get 13gh.
\frac{1}{2}g\times 2g+\frac{1}{2}g\times 2h+12hg+12h^{2}
Apply the distributive property by multiplying each term of \frac{1}{2}g+6h by each term of 2g+2h.
\frac{1}{2}g^{2}\times 2+\frac{1}{2}g\times 2h+12hg+12h^{2}
Multiply g and g to get g^{2}.
g^{2}+\frac{1}{2}g\times 2h+12hg+12h^{2}
Cancel out 2 and 2.
g^{2}+gh+12hg+12h^{2}
Cancel out 2 and 2.
g^{2}+13gh+12h^{2}
Combine gh and 12hg to get 13gh.
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