x^2=-15-7x

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Solution for x^2=-15-7x equation: 



x^2=-15-7x

We move all terms to the left:

x^2-(-15-7x)=0

We add all the numbers together, and all the variables

x^2-(-7x-15)=0

We get rid of parentheses

x^2+7x+15=0

a = 1; b = 7; c = +15;
Δ = b2-4ac
Δ = 72-4·1·15
Δ = -11
Delta is less than zero, so there is no solution for the equation

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