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3X^2-5X^2=88
We move all terms to the left:
3X^2-5X^2-(88)=0
We add all the numbers together, and all the variables
-2X^2-88=0
a = -2; b = 0; c = -88;
Δ = b2-4ac
Δ = 02-4·(-2)·(-88)
Δ = -704
Delta is less than zero, so there is no solution for the equation
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