2q^2-8q=0

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



2q^2-8q=0

a = 2; b = -8; c = 0;
Δ = b2-4ac
Δ = -82-4·2·0
Δ = 64
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{64}=8$


$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-8)-8}{2*2}=\frac{0}{4}
=0
$


$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-8)+8}{2*2}=\frac{16}{4}
=4
$

See similar equations:

| -2-8x=-5-7x | | y^2-2y=8+3y^-12 | | P(x)=10x-75000 | | (4x)-(x+9000)=27000 | | P(x)=10x-75,000 | | (2x)-(x(0.5)+6000)=27000 | | F(x)=10x-75,000 | | 2x-0.5x=21000 | | (3 | | (3 | | 15-11=x÷-8 | | 6x=17-(-1) | | 136+x=130 | | 14-45=3(x-3)-4 | | 125^x-7=23³ | | 14x²-196x=0 | | 2.2a=11.66 | | 5d+16=83d+84 | | 3(x-3)+(x+3)=22 | | 9-6x=6x-9 | | 2Y=2.5+6y+12 | | 9^2+33x-60=0 | | 12x^2=÷2x+3 | | 2.09=2.2x0.95 | | 6.9=  x+5.9x+5.9 | | y^2+15y+56=(y+7)(y+) | | 31+4x=45+2x | | t^2+2t+3=18 | | 3+x/4=3 | | 120+5x=225+12.5x | | 90/100=p/315 | | 9=3(m+2)-2(m+1) |

Equations solver categories