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2+5v=-v2(1+7v)
We move all terms to the left:
2+5v-(-v2(1+7v))=0
We add all the numbers together, and all the variables
5v-(-v2(7v+1))+2=0
We calculate terms in parentheses: -(-v2(7v+1)), so:
-v2(7v+1)
We multiply parentheses
-7v^3-v^2
We do not support evpression: v^3
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