-9x2=7x+4

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Solution for -9x2=7x+4 equation: 



-9x^2=7x+4

We move all terms to the left:

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

We get rid of parentheses

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

a = -9; b = -7; c = -4;
Δ = b2-4ac
Δ = -72-4·(-9)·(-4)
Δ = -95
Delta is less than zero, so there is no solution for the equation

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