q^2-39q=0

Simple and best practice solution for q^2-39q=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 q^2-39q=0 equation: 



q^2-39q=0

a = 1; b = -39; c = 0;
Δ = b2-4ac
Δ = -392-4·1·0
Δ = 1521
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1521}=39$


$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-39)-39}{2*1}=\frac{0}{2}
=0
$


$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-39)+39}{2*1}=\frac{78}{2}
=39
$

See similar equations:

| x+4/2+x/5=9 | | 4(t+4/1​)=3 | | j^2-6j+9=0 | | 1x+4=28 | | v^2+47v=0 | | q^2+q+10=0 | | 18+.2x=52 | | f^2-47f=0 | | q^-37q=0 | | 21-z^2=12 | | (x+4)=4x+11 | | 7h−9=4h+3 | | 9r+2=4r+12 | | 7f+2=3f+30 | | 2x/5=70 | | 3y+10=5y+4 | | x-0.07x=198 | | 2(14z-7)=14 | | 3.7(2.1x+4.9)=75.9+0.87x | | -3b+6=10-5b | | (9x-3)(7x+1)=0 | | 2(7y-50=4 | | |-8x+24|=16 | | 78+28=10x | | 15+4x=2(−x+5)−19 | | -15+y=18 | | 4s−94=s8+14 | | 10x-19=77 | | 7(2p+3-8=14p-13 | | 20n+2=52 | | 2n-20=52 | | 20+n=52 |

Equations solver categories