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8x^2+15=-14x
We move all terms to the left:
8x^2+15-(-14x)=0
We get rid of parentheses
8x^2+14x+15=0
a = 8; b = 14; c = +15;
Δ = b2-4ac
Δ = 142-4·8·15
Δ = -284
Delta is less than zero, so there is no solution for the equation
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