7x2=4x-9

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Solution for 7x2=4x-9 equation: 



7x^2=4x-9

We move all terms to the left:

7x^2-(4x-9)=0

We get rid of parentheses

7x^2-4x+9=0

a = 7; b = -4; c = +9;
Δ = b2-4ac
Δ = -42-4·7·9
Δ = -236
Delta is less than zero, so there is no solution for the equation

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