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4x^2+160x=-2400
We move all terms to the left:
4x^2+160x-(-2400)=0
We add all the numbers together, and all the variables
4x^2+160x+2400=0
a = 4; b = 160; c = +2400;
Δ = b2-4ac
Δ = 1602-4·4·2400
Δ = -12800
Delta is less than zero, so there is no solution for the equation
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