-13=2x2+9

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Solution for -13=2x2+9 equation: 



-13=2x^2+9

We move all terms to the left:

-13-(2x^2+9)=0

We get rid of parentheses

-2x^2-9-13=0

We add all the numbers together, and all the variables

-2x^2-22=0

a = -2; b = 0; c = -22;
Δ = b2-4ac
Δ = 02-4·(-2)·(-22)
Δ = -176
Delta is less than zero, so there is no solution for the equation

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