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9x^2+7x-6=-8
We move all terms to the left:
9x^2+7x-6-(-8)=0
We add all the numbers together, and all the variables
9x^2+7x+2=0
a = 9; b = 7; c = +2;
Δ = b2-4ac
Δ = 72-4·9·2
Δ = -23
Delta is less than zero, so there is no solution for the equation
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