(s^2)-9=0

Simple and best practice solution for (s^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 (s^2)-9=0 equation: 


Simplifying
(s2) + -9 = 0
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^2)+4x=15 | | 4.2=x/((0.3-x)(0.4-x)) | | (4x^2)+12x=27 | | -7n+2=-5n-10 | | (10x+9)(7x+7)= | | 6x=18x+(-52) | | 12(4t+1)-14=t-(t+1) | | -32-(-38)=x/4 | | 6(2-5)=(x+4) | | -10+2y=7x | | -27+22w=73 | | x^2-8x+dx-8d=0 | | 3G-5=2h-7forg | | (-2x+5)(-3x+4)= | | -3x-4=-5 | | 7r+8=13r+10 | | (5x+7)(x-2)= | | ×/4-9=-6 | | (5x-7)(x+2)= | | 1c+1p=3.5k | | =7x-10y-11y+2x+8 | | (5x-7)(x-2)= | | 18a^3+128ab^2=0 | | -4x=-9+y | | 5e=e+10 | | 4r+2=25r+5 | | -y(t+8)=0 | | Ay-a^3y^3=0 | | 26-11=5(x-3) | | 2+y=-x | | -6v-18=-9(v+3) | | 2qx^2+pqx-16x-8p=0 |

Equations solver categories