4x(2-x)+3(x-1)=15

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Solution for 4x(2-x)+3(x-1)=15 equation: 



4x(2-x)+3(x-1)=15

We move all terms to the left:

4x(2-x)+3(x-1)-(15)=0

We add all the numbers together, and all the variables

4x(-1x+2)+3(x-1)-15=0

We multiply parentheses

-4x^2+8x+3x-3-15=0

We add all the numbers together, and all the variables

-4x^2+11x-18=0

a = -4; b = 11; c = -18;
Δ = b2-4ac
Δ = 112-4·(-4)·(-18)
Δ = -167
Delta is less than zero, so there is no solution for the equation

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