1-x+2-2x=3x^2-5x+7

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Solution for 1-x+2-2x=3x^2-5x+7 equation: 



1-x+2-2x=3x^2-5x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-3x^2+2x-4=0

a = -3; b = 2; c = -4;
Δ = b2-4ac
Δ = 22-4·(-3)·(-4)
Δ = -44
Delta is less than zero, so there is no solution for the equation

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