-3x^2=9-x

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Solution for -3x^2=9-x equation: 



-3x^2=9-x

We move all terms to the left:

-3x^2-(9-x)=0

We add all the numbers together, and all the variables

-3x^2-(-1x+9)=0

We get rid of parentheses

-3x^2+1x-9=0

We add all the numbers together, and all the variables

-3x^2+x-9=0

a = -3; b = 1; c = -9;
Δ = b2-4ac
Δ = 12-4·(-3)·(-9)
Δ = -107
Delta is less than zero, so there is no solution for the equation

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