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12v^2=-7
We move all terms to the left:
12v^2-(-7)=0
We add all the numbers together, and all the variables
12v^2+7=0
a = 12; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·12·7
Δ = -336
Delta is less than zero, so there is no solution for the equation
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