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-10v^2-2v+7=10
We move all terms to the left:
-10v^2-2v+7-(10)=0
We add all the numbers together, and all the variables
-10v^2-2v-3=0
a = -10; b = -2; c = -3;
Δ = b2-4ac
Δ = -22-4·(-10)·(-3)
Δ = -116
Delta is less than zero, so there is no solution for the equation
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