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

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



(X+2)(X+4)=-7

We move all terms to the left:

(X+2)(X+4)-(-7)=0

We add all the numbers together, and all the variables

(X+2)(X+4)+7=0

We multiply parentheses ..

(+X^2+4X+2X+8)+7=0

We get rid of parentheses

X^2+4X+2X+8+7=0

We add all the numbers together, and all the variables

X^2+6X+15=0

a = 1; b = 6; c = +15;
Δ = b2-4ac
Δ = 62-4·1·15
Δ = -24
Delta is less than zero, so there is no solution for the equation

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