9k^2-36=0

Simple and best practice solution for 9k^2-36=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 9k^2-36=0 equation: 


Simplifying
9k2 + -36 = 0

Reorder the terms:
-36 + 9k2 = 0

Solving
-36 + 9k2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '36' to each side of the equation.
-36 + 36 + 9k2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 9k2 = 0 + 36
9k2 = 0 + 36

Combine like terms: 0 + 36 = 36
9k2 = 36

Divide each side by '9'.
k2 = 4

Simplifying
k2 = 4

Take the square root of each side:
k = {-2, 2}

See similar equations:

| 0.39*512.8205-150= | | -24-17= | | 0.39*512.820-150= | | 0.39*512.9-150= | | 3x=2+4+2x | | 6m+(7m^2+3m)= | | 5y+12=3x | | 0.39*512.8-150= | | 2s^2-20s-6=0 | | 0.39*512-150= | | (2x-4y-3)dy+(x-2y+3)dx=0 | | 0.39*513-150= | | 0.39*514-150= | | 0.39*515-150= | | -12x+9=27 | | 0.39*525-150= | | 24/b=8/7 | | 0.39*550-150= | | 91n^2+42n=0 | | 0.39*600-150= | | -3(y+1)=3y+45 | | -3(y+3)=3y+45 | | 13-(3x-8)= | | 0.39*300-150= | | 7x+19=159 | | 0.39*50-150= | | 0.39*1-150= | | -2(-4)+11= | | 0.13*12-150= | | 9/y+1/9=4/9y | | (x-8)/3=6 | | 0.13*20-150= |

Equations solver categories