4x2+9x=6

Simple and best practice solution for 4x2+9x=6 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 4x2+9x=6 equation:



4x^2+9x=6
We move all terms to the left:
4x^2+9x-(6)=0
a = 4; b = 9; c = -6;
Δ = b2-4ac
Δ = 92-4·4·(-6)
Δ = 177
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{177}}{2*4}=\frac{-9-\sqrt{177}}{8} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{177}}{2*4}=\frac{-9+\sqrt{177}}{8} $

See similar equations:

| 4x-7x=-17 | | -10=-3v-7v | | 5x+24+x+90=360 | | 2x-40+x=80 | | 3u-3u+3u+2=17 | | 2x+9.4=13.8 | | 5x+24=368 | | 3x2+5x=+7x+28 | | 6x-8x+5=-1 | | 5x-5=x515 | | 20+3x-x-5=29 | | 0.095x+0.05(20,000−x)=1,810 | | –2(z+–8)+–16=–8 | | X+z=126 | | 49+57+x=180 | | 4x+9=1x+15 | | 1/4=b/20 | | 49+57+x=90 | | -8/a=5/10 | | 7+x/4=11 | | -4x-7(x+3)=-36 | | -3x+6=7x+116 | | 10+7x=6x+22 | | 9(m+5)=90 | | 25.3=y-14.9 | | -7/5m=9 | | 2(x+7)=90 | | 9y-2=8 | | 1x+3=-24-2x | | 1/5y-20=10 | | 10×n=6 | | x+3=`24-2x |

Equations solver categories