S^2-9=

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


Simplifying
S2 + -9 = 0

Reorder the terms:
-9 + S2 = 0

Solving
-9 + S2 = 0

Solving for variable 'S'.

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

Add '9' to each side of the equation.
-9 + 9 + S2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + S2 = 0 + 9
S2 = 0 + 9

Combine like terms: 0 + 9 = 9
S2 = 9

Simplifying
S2 = 9

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

See similar equations:

| 4x+11x=65-2x | | 12f-9=36 | | -3(2x-1)=18 | | 10x+17=4x+37 | | 5k-10=3 | | 28-4y=6 | | 0=p-4 | | 0=-1.52x+9.16-83 | | 16=yz | | 10x-9x=93-30x | | t=500*2x | | 6x+92=14x-12 | | 13+3p=-4 | | -6a-15=-17-9 | | n^2-36=35 | | 1/2(6m+2)-(m-4) | | 3+2t=35 | | -1-8(7c-2)= | | 4x^2+9=-15X | | 25-10h=5 | | -5x-5(-20)=25 | | (x-5)+19=180 | | 6200=50b-360 | | (4x)+(2y+x)=180 | | 25x^2-9y^2=25 | | -3(2d+5)= | | x/18=y | | 78x+92=180 | | 2y+5x=180 | | (x+3)+49=90 | | 1x^2+2x-15=0 | | -7m-5m=0 |

Equations solver categories