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8x-10=2x(3x+4)
We move all terms to the left:
8x-10-(2x(3x+4))=0
We calculate terms in parentheses: -(2x(3x+4)), so:We get rid of parentheses
2x(3x+4)
We multiply parentheses
6x^2+8x
Back to the equation:
-(6x^2+8x)
-6x^2+8x-8x-10=0
We add all the numbers together, and all the variables
-6x^2-10=0
a = -6; b = 0; c = -10;
Δ = b2-4ac
Δ = 02-4·(-6)·(-10)
Δ = -240
Delta is less than zero, so there is no solution for the equation
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