X^2-7=12

Simple and best practice solution for X^2-7=12 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^2-7=12 equation: 


Simplifying
X2 + -7 = 12

Reorder the terms:
-7 + X2 = 12

Solving
-7 + X2 = 12

Solving for variable 'X'.

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

Add '7' to each side of the equation.
-7 + 7 + X2 = 12 + 7

Combine like terms: -7 + 7 = 0
0 + X2 = 12 + 7
X2 = 12 + 7

Combine like terms: 12 + 7 = 19
X2 = 19

Simplifying
X2 = 19

Take the square root of each side:
X = {-4.358898944, 4.358898944}

See similar equations:

| 4(3x-2)=35 | | 9x+32=4x+10 | | 24x^2-48x-72=0 | | X(x+3)-54=0 | | 6x+13=x-5 | | 4z^2=4(z-6) | | 5m+14=3(m+6) | | 6x^2y^2= | | 2x-1=9x+4 | | 2x+16=11x-63 | | 36x-x^3=0 | | 12x+7=7+32 | | 12x^2+42x-24=0 | | 2x+53=6+13 | | (x^3-125)=0 | | 6x-27=4x+7 | | -70+-11w+3w^2=0 | | 20x=22x-3.6 | | 2(5x-6)+4x=10x+12 | | -3p+15-3p=27 | | log(20)=log(5)+log(x) | | 4x+4+8x+10=180 | | 3w^2-11w-70=0 | | 2x(8x-7)=-5(-5x+1) | | 4x-y=13 | | x^2-9-4x^2+25=-16 | | 13-p=5 | | 26=4-2x | | 41-6x=3x+17 | | 4x^2=180 | | -(9+11x)=5(2x-20) | | 2a-5+4a-6b=3a+b-7 |

Equations solver categories