8x2=-4+9x

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Solution for 8x2=-4+9x equation: 



8x^2=-4+9x

We move all terms to the left:

8x^2-(-4+9x)=0

We add all the numbers together, and all the variables

8x^2-(9x-4)=0

We get rid of parentheses

8x^2-9x+4=0

a = 8; b = -9; c = +4;
Δ = b2-4ac
Δ = -92-4·8·4
Δ = -47
Delta is less than zero, so there is no solution for the equation

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