3x+7=-x2

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Solution for 3x+7=-x2 equation: 



3x+7=-x2

We move all terms to the left:

3x+7-(-x2)=0

We add all the numbers together, and all the variables

-(-1x^2)+3x+7=0

We get rid of parentheses

1x^2+3x+7=0

We add all the numbers together, and all the variables

x^2+3x+7=0

a = 1; b = 3; c = +7;
Δ = b2-4ac
Δ = 32-4·1·7
Δ = -19
Delta is less than zero, so there is no solution for the equation

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