2x+5x+3=x^2+9x+15

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Solution for 2x+5x+3=x^2+9x+15 equation: 



2x+5x+3=x^2+9x+15

We move all terms to the left:

2x+5x+3-(x^2+9x+15)=0

We add all the numbers together, and all the variables

7x-(x^2+9x+15)+3=0

We get rid of parentheses

-x^2+7x-9x-15+3=0

We add all the numbers together, and all the variables

-1x^2-2x-12=0

a = -1; b = -2; c = -12;
Δ = b2-4ac
Δ = -22-4·(-1)·(-12)
Δ = -44
Delta is less than zero, so there is no solution for the equation

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