7x^2-10x+9=5-2x

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Solution for 7x^2-10x+9=5-2x equation: 



7x^2-10x+9=5-2x

We move all terms to the left:

7x^2-10x+9-(5-2x)=0

We add all the numbers together, and all the variables

7x^2-10x-(-2x+5)+9=0

We get rid of parentheses

7x^2-10x+2x-5+9=0

We add all the numbers together, and all the variables

7x^2-8x+4=0

a = 7; b = -8; c = +4;
Δ = b2-4ac
Δ = -82-4·7·4
Δ = -48
Delta is less than zero, so there is no solution for the equation

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