4x^2-72x-252=0

Simple and best practice solution for 4x^2-72x-252=0 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 4x^2-72x-252=0 equation:



4x^2-72x-252=0
a = 4; b = -72; c = -252;
Δ = b2-4ac
Δ = -722-4·4·(-252)
Δ = 9216
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{9216}=96$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-72)-96}{2*4}=\frac{-24}{8} =-3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-72)+96}{2*4}=\frac{168}{8} =21 $

See similar equations:

| 2x-2=180-45+x | | 8x-4=8+5x | | 7e-13=9 | | 2x×2x=5x | | 3x-15=2.5+5 | | 4x+.25=4.5x | | 7+2g=-3 | | 2n+24=8n | | 5x-60=75 | | .6x+9.49=5.49 | | (x-2)+54=2x-54 | | -2.8x+9=14-3.8x | | 5/6(6x-12)=-4 | | Y=3x+72 | | -6a+7(-2a-4)=0 | | 84+5x+8=4x+4 | | -4(1/2x-1)=-2x+8 | | .4x+5.49=9.45 | | |v|-17=-8 | | 7(y-6)-3=-7(4y+6)-9y | | 34x-5=7 | | -7(n-4)+8=5n+15-2n | | 1/6(18-6x)-1/2(8x-4)=-5 | | |x|-16=-7 | | -42-6x=-6 | | 1/6(18-6x)-1/2(8x-4=-5 | | 175+8x=125+13 | | -4+(3x+4)=-4+5x | | -4(1/2x-1)=4x-1 | | 6-2x-1=4x+8-6x=3 | | 4(1/2x-1)=2x-4 | | 4(1/2-1)=1x+8 |

Equations solver categories