x^2-9=225

Simple and best practice solution for x^2-9=225 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 x^2-9=225 equation: 


Simplifying
x2 + -9 = 225

Reorder the terms:
-9 + x2 = 225

Solving
-9 + x2 = 225

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + x2 = 225 + 9

Combine like terms: -9 + 9 = 0
0 + x2 = 225 + 9
x2 = 225 + 9

Combine like terms: 225 + 9 = 234
x2 = 234

Simplifying
x2 = 234

Take the square root of each side:
x = {-15.297058541, 15.297058541}

See similar equations:

| 1=x+5x-5 | | 200=230-5d | | -3m+10=7m+10-10m | | 2(3x+1)+2(5x-6)= | | 6W+2Y+6X+8X-11Y+5W= | | 1/2(2x-3)=x+7 | | 1/x+1+2/x^2-1 | | w/21-323=-314 | | (4m-6m^2-3m^4)+(7m+5m^2)+(2m^4-7m-6m^2)= | | 3z+9=75 | | -51=3(-2-5a) | | y/7+2=-15 | | 8j--20=92 | | -3x+11+4x=6+x+5 | | 2h+3=-10+2h | | 3--5y=-42 | | 2x-12=78 | | 3(p-2)=3p-6 | | 13x+7=14x+1 | | 10-(x+4)=1/4x+2 | | 3x-3/x+1 | | -7(8x-8)-6x=-68 | | 5=14-x | | 16-8/2x3+(5-1)(5-1) | | 8x-5x-3/x+1 | | 3x-y+5=0 | | x^9/x^11 | | 3x+6=8+8 | | 3x+1+5x-6+3x+1+5x-6=22 | | 1/4-1/5 | | 433/4%48= | | 3x+1+5x-6+3x+1+5x-6= |

Equations solver categories