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2(2x-3)=2(x+4)x
We move all terms to the left:
2(2x-3)-(2(x+4)x)=0
We multiply parentheses
4x-(2(x+4)x)-6=0
We calculate terms in parentheses: -(2(x+4)x), so:We get rid of parentheses
2(x+4)x
We multiply parentheses
2x^2+8x
Back to the equation:
-(2x^2+8x)
-2x^2+4x-8x-6=0
We add all the numbers together, and all the variables
-2x^2-4x-6=0
a = -2; b = -4; c = -6;
Δ = b2-4ac
Δ = -42-4·(-2)·(-6)
Δ = -32
Delta is less than zero, so there is no solution for the equation
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