(7x^2-5x-8)+(-8x^2-2)=0

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Solution for (7x^2-5x-8)+(-8x^2-2)=0 equation: 



(7x^2-5x-8)+(-8x^2-2)=0

We get rid of parentheses

-8x^2+7x^2-5x-2-8=0

We add all the numbers together, and all the variables

-1x^2-5x-10=0

a = -1; b = -5; c = -10;
Δ = b2-4ac
Δ = -52-4·(-1)·(-10)
Δ = -15
Delta is less than zero, so there is no solution for the equation

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