7+2x(x-3)=-9

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Solution for 7+2x(x-3)=-9 equation: 



7+2x(x-3)=-9

We move all terms to the left:

7+2x(x-3)-(-9)=0

We add all the numbers together, and all the variables

2x(x-3)+16=0

We multiply parentheses

2x^2-6x+16=0

a = 2; b = -6; c = +16;
Δ = b2-4ac
Δ = -62-4·2·16
Δ = -92
Delta is less than zero, so there is no solution for the equation

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