-2=3x2-8x+7

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Solution for -2=3x2-8x+7 equation: 



-2=3x^2-8x+7

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-3x^2+8x-9=0

a = -3; b = 8; c = -9;
Δ = b2-4ac
Δ = 82-4·(-3)·(-9)
Δ = -44
Delta is less than zero, so there is no solution for the equation

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