8x2=-9+7x

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Solution for 8x2=-9+7x equation: 



8x^2=-9+7x

We move all terms to the left:

8x^2-(-9+7x)=0

We add all the numbers together, and all the variables

8x^2-(7x-9)=0

We get rid of parentheses

8x^2-7x+9=0

a = 8; b = -7; c = +9;
Δ = b2-4ac
Δ = -72-4·8·9
Δ = -239
Delta is less than zero, so there is no solution for the equation

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