(-5x^2-3x-7)+(-2x^2+6x^2-8)=0

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Solution for (-5x^2-3x-7)+(-2x^2+6x^2-8)=0 equation: 



(-5x^2-3x-7)+(-2x^2+6x^2-8)=0

We get rid of parentheses

-5x^2-2x^2+6x^2-3x-7-8=0

We add all the numbers together, and all the variables

-1x^2-3x-15=0

a = -1; b = -3; c = -15;
Δ = b2-4ac
Δ = -32-4·(-1)·(-15)
Δ = -51
Delta is less than zero, so there is no solution for the equation

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