8x2+15x=7x-4

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Solution for 8x2+15x=7x-4 equation: 



8x^2+15x=7x-4

We move all terms to the left:

8x^2+15x-(7x-4)=0

We get rid of parentheses

8x^2+15x-7x+4=0

We add all the numbers together, and all the variables

8x^2+8x+4=0

a = 8; b = 8; c = +4;
Δ = b2-4ac
Δ = 82-4·8·4
Δ = -64
Delta is less than zero, so there is no solution for the equation

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