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

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Solution for -2x^2+9x-9-7=0 equation: 



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

We add all the numbers together, and all the variables

-2x^2+9x-16=0

a = -2; b = 9; c = -16;
Δ = b2-4ac
Δ = 92-4·(-2)·(-16)
Δ = -47
Delta is less than zero, so there is no solution for the equation

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