(3x+2)-2x(x+4)=7

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Solution for (3x+2)-2x(x+4)=7 equation: 



(3x+2)-2x(x+4)=7

We move all terms to the left:

(3x+2)-2x(x+4)-(7)=0

We multiply parentheses

-2x^2+(3x+2)-8x-7=0

We get rid of parentheses

-2x^2+3x-8x+2-7=0

We add all the numbers together, and all the variables

-2x^2-5x-5=0

a = -2; b = -5; c = -5;
Δ = b2-4ac
Δ = -52-4·(-2)·(-5)
Δ = -15
Delta is less than zero, so there is no solution for the equation

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