x^2-27=9

Simple and best practice solution for x^2-27=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 x^2-27=9 equation: 


Simplifying
x2 + -27 = 9

Reorder the terms:
-27 + x2 = 9

Solving
-27 + x2 = 9

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + x2 = 9 + 27

Combine like terms: -27 + 27 = 0
0 + x2 = 9 + 27
x2 = 9 + 27

Combine like terms: 9 + 27 = 36
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

See similar equations:

| 35=21x-7 | | 5(k-4)=4-3jk | | y=-x+600 | | 4/7•3/11 | | 12/0 | | 2x+3x+x=36 | | 4x+-9=3 | | z^6+2-2i=0 | | 14-2c=6 | | 40=16m | | 1-6sin^2x=0 | | 4x+0y=12 | | 8a^2-12a-36=0 | | 2(s-2)+3=2x-1 | | 4r-22=14 | | (r-3)(r+15)=-6 | | 5(r+8)=60 | | 1+13x+x^2=-5+-8x | | ((4x^)^9/4)3^2 | | 2f(2fg)= | | -60x-15y=0 | | 6p+22=10 | | 5z+4z=366 | | 81p^8-100= | | n+n+7=n+n+n+5 | | 2/3X-1/5=6 | | 2x=78p | | 64y^6-48y^3+9= | | x+y+2y-y=180 | | j-7=7 | | 12x+4x=160 | | Y=0.30X+600 |

Equations solver categories