9x2-2x+7-6x2+5=x-8

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Solution for 9x2-2x+7-6x2+5=x-8 equation:



9x^2-2x+7-6x^2+5=x-8
We move all terms to the left:
9x^2-2x+7-6x^2+5-(x-8)=0
We add all the numbers together, and all the variables
3x^2-2x-(x-8)+12=0
We get rid of parentheses
3x^2-2x-x+8+12=0
We add all the numbers together, and all the variables
3x^2-3x+20=0
a = 3; b = -3; c = +20;
Δ = b2-4ac
Δ = -32-4·3·20
Δ = -231
Delta is less than zero, so there is no solution for the equation

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