x-12+6x-2=5x2+7x+66

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Solution for x-12+6x-2=5x2+7x+66 equation: 



x-12+6x-2=5x^2+7x+66

We move all terms to the left:

x-12+6x-2-(5x^2+7x+66)=0

We add all the numbers together, and all the variables

7x-(5x^2+7x+66)-14=0

We get rid of parentheses

-5x^2+7x-7x-66-14=0

We add all the numbers together, and all the variables

-5x^2-80=0

a = -5; b = 0; c = -80;
Δ = b2-4ac
Δ = 02-4·(-5)·(-80)
Δ = -1600
Delta is less than zero, so there is no solution for the equation

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