Evaluate
\left(-v+5w-6\right)\left(4v+6w-5\right)
Expand
30-61w+30w^{2}-19v+14vw-4v^{2}
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30w^{2}+20wv-25w-6vw-4v^{2}+5v-36w-24v+30
Apply the distributive property by multiplying each term of 5w-v-6 by each term of 6w+4v-5.
30w^{2}+14wv-25w-4v^{2}+5v-36w-24v+30
Combine 20wv and -6vw to get 14wv.
30w^{2}+14wv-61w-4v^{2}+5v-24v+30
Combine -25w and -36w to get -61w.
30w^{2}+14wv-61w-4v^{2}-19v+30
Combine 5v and -24v to get -19v.
30w^{2}+20wv-25w-6vw-4v^{2}+5v-36w-24v+30
Apply the distributive property by multiplying each term of 5w-v-6 by each term of 6w+4v-5.
30w^{2}+14wv-25w-4v^{2}+5v-36w-24v+30
Combine 20wv and -6vw to get 14wv.
30w^{2}+14wv-61w-4v^{2}+5v-24v+30
Combine -25w and -36w to get -61w.
30w^{2}+14wv-61w-4v^{2}-19v+30
Combine 5v and -24v to get -19v.
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