8y(-2y-3)=9

Simple and best practice solution for 8y(-2y-3)=9 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 8y(-2y-3)=9 equation: 



8y(-2y-3)=9

We move all terms to the left:

8y(-2y-3)-(9)=0

We multiply parentheses

-16y^2-24y-9=0

a = -16; b = -24; c = -9;
Δ = b2-4ac
Δ = -242-4·(-16)·(-9)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{24}{-32}=-3/4$

See similar equations:

| -2+8n=5(-4+n) | | 3^3x+6=8 | | -1n-5-n=-11 | | 3-4n-n=18 | | -16=-n-2 | | 7(3b-2)=28+7b | | C=0.25x2-80x+300 | | x+142=90 | | 11x+88=24x | | 2(x+13)=48 | | 4n+3n+4=32 | | 4-4(3=b)=12 | | -3(3x+7)+7x=-31-4x | | (3t-5)/4=t/3 | | ((x+3)/4)-2=(5x-2)/5 | | -2=k/13 | | 0=1-3n+2n | | 2x+10+64+22=180 | | 4+9=2*4+b | | -35x=-2555 | | -138=(-9+2x) | | 11v−2v=18 | | 4(r+1)=4+4r | | 5=x/15 | | -16=4n+3n-2 | | k+89=119 | | -9+4x=x-3 | | 8x+8+4x+10=180 | | 17v=816 | | a*2+9=3*2+a | | (3x+1)/x-5=4 | | 0=14+x |

Equations solver categories