x^2-8=-2

Simple and best practice solution for x^2-8=-2 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^2-8=-2 equation:


Simplifying
x2 + -8 = -2

Reorder the terms:
-8 + x2 = -2

Solving
-8 + x2 = -2

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + x2 = -2 + 8

Combine like terms: -8 + 8 = 0
0 + x2 = -2 + 8
x2 = -2 + 8

Combine like terms: -2 + 8 = 6
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}

See similar equations:

| 2x+7=2x-3 | | 2m^2+5m-12=0 | | 200+5=a+212 | | 5x+8=7x+13 | | 3(z-4)+7z-3= | | 4799=(x*12.36/100) | | 9k^2=144 | | 5w^2=320 | | p^2+11=38 | | m^2=30 | | 3x^2-12x-1987=0 | | 4x+17=7x+13 | | q^2=625 | | m/15=17 | | (-7/8)(-24z/35) | | s=-16821/2(-11+l) | | [3x+2]+12=3 | | 12x+8y+6z=3.28 | | 2x9=t/5 | | 3(1+x)=2(5+x) | | 3x=7x-3/2 | | y=7x^2-18 | | 3[2x-4(x+3)-6]=9(x-4)+18 | | 16*7y/2 | | 13x-52+12=9x-18+4x | | 5x^3-21x^2+13x=3 | | 5x^3-21x^2+13x-3=0 | | 2x+6x-40=0 | | (22+40)x= | | 66x= | | 20x-15x=10 | | 2y+y=11y |

Equations solver categories