(X+4)(x+3)=-1

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



(X+4)(X+3)=-1

We move all terms to the left:

(X+4)(X+3)-(-1)=0

We add all the numbers together, and all the variables

(X+4)(X+3)+1=0

We multiply parentheses ..

(+X^2+3X+4X+12)+1=0

We get rid of parentheses

X^2+3X+4X+12+1=0

We add all the numbers together, and all the variables

X^2+7X+13=0

a = 1; b = 7; c = +13;
Δ = b2-4ac
Δ = 72-4·1·13
Δ = -3
Delta is less than zero, so there is no solution for the equation

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