t^2-9=0

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


Simplifying
t2 + -9 = 0

Reorder the terms:
-9 + t2 = 0

Solving
-9 + t2 = 0

Solving for variable 't'.

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

Add '9' to each side of the equation.
-9 + 9 + t2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + t2 = 0 + 9
t2 = 0 + 9

Combine like terms: 0 + 9 = 9
t2 = 9

Simplifying
t2 = 9

Take the square root of each side:
t = {-3, 3}

See similar equations:

| 7(6-4x)=42 | | 20j+5=15j-5 | | w^2-2w+1=0 | | 8n=7n+23 | | 8n=7n-23 | | v^2-4v+4=0 | | 10=y-8 | | 10m+55=3+2m-18 | | t^2-5t-14=0 | | 8(3x-4)=4(6x+7) | | a^2+7a-8=0 | | 17i-100=2 | | x-5=4x+19 | | 4+3t-1=8t+6-2t | | -5f=44-f | | 4h+17=1 | | -3x+9=42 | | 2x+5=25 | | 5(2m+11)=3+2(m-9) | | 2n+8=3n | | 3(2x+2)=2(x+17) | | 5x-3=32 | | 4g-3=2g+15 | | 3(x+2)=4(2x+1)+7 | | 0.333-5=-1 | | 6a+9=4a+9 | | 3t+15t=90 | | 5(x+2)=7(x-3) | | 2x^2+5x-3=0 | | 10f+14=64 | | -10.8x=54.0 | | -5(3-x)=-60 |

Equations solver categories