(X+3)(x+7)+8=0

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Solution for (X+3)(x+7)+8=0 equation: 



(X+3)(X+7)+8=0

We multiply parentheses ..

(+X^2+7X+3X+21)+8=0

We get rid of parentheses

X^2+7X+3X+21+8=0

We add all the numbers together, and all the variables

X^2+10X+29=0

a = 1; b = 10; c = +29;
Δ = b2-4ac
Δ = 102-4·1·29
Δ = -16
Delta is less than zero, so there is no solution for the equation

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