8u^2-128=0

Simple and best practice solution for 8u^2-128=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 8u^2-128=0 equation:



8u^2-128=0
a = 8; b = 0; c = -128;
Δ = b2-4ac
Δ = 02-4·8·(-128)
Δ = 4096
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$u_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$u_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4096}=64$
$u_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-64}{2*8}=\frac{-64}{16} =-4 $
$u_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+64}{2*8}=\frac{64}{16} =4 $

See similar equations:

| |3x+45|=|12x| | | -x-5=x-25 | | x^2+1-1/x=0 | | x^2+x-1/x=0 | | (15-2x)+(4x+23)=180 | | 5+7x/1+2x=4 | | 6-2r=12-r | | w^2=-20+12w | | -X^2=(15/2)=7/2x | | 18-4n=16 | | 13200x=2263x+100000 | | 5^x-2×5^x=175 | | -4+5=4y-8 | | ((3+y)/4)=-y/8 | | 3=3/4(b-8 | | 50=-5h | | 17/7=x/11 | | Y=1/3x6/1+1 | | 2^(m+1)=29.71 | | 3/x+2+2/x-2=8/(x+2)*(x-2) | | n^2=n+56 | | |8+13x|=5 | | 3/x+2+2/x-2=8/(x+2)(x-2) | | c/2+(c+1)/7=c-2 | | 15x+49.95=61.20 | | 6a-7=11-3a | | 16*2x=180 | | 3x+5x=220 | | x+(x-15)=55 | | |4x-5|+5=15 | | |4x−8|=2 | | 10x-3+4=5+8x(4-3x) |

Equations solver categories