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4x^2+4x-3=-90
We move all terms to the left:
4x^2+4x-3-(-90)=0
We add all the numbers together, and all the variables
4x^2+4x+87=0
a = 4; b = 4; c = +87;
Δ = b2-4ac
Δ = 42-4·4·87
Δ = -1376
Delta is less than zero, so there is no solution for the equation
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