9x^2-7=-25

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Solution for 9x^2-7=-25 equation: 



9x^2-7=-25

We move all terms to the left:

9x^2-7-(-25)=0

We add all the numbers together, and all the variables

9x^2+18=0

a = 9; b = 0; c = +18;
Δ = b2-4ac
Δ = 02-4·9·18
Δ = -648
Delta is less than zero, so there is no solution for the equation

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