X^2+-8=0

Simple and best practice solution for X^2+-8=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 X^2+-8=0 equation: 


Simplifying
X2 + -8 = 0

Reorder the terms:
-8 + X2 = 0

Solving
-8 + X2 = 0

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 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + X2 = 0 + 8
X2 = 0 + 8

Combine like terms: 0 + 8 = 8
X2 = 8

Simplifying
X2 = 8

Take the square root of each side:
X = {-2.828427125, 2.828427125}

See similar equations:

| x^2+10x=-17 | | x^2+22x=-85 | | 123-3x=24x+21 | | (Y+7)*5-7-(y-4)=3(9-y)+5 | | (Y+7)*5-7-(y-4)=3*9(9-y)+5 | | 9(3+Y)-16=3(Y+4)+5 | | 107-6=9x+17 | | 2-4a=16 | | 3(5+x)=7x-1 | | 13-3= | | -(-3v-8)=28+9v | | 11x+17=8x+4 | | 4+6=60 | | x^2+16x=-15 | | x^2-8x-7=10 | | 4x=5x-4+1 | | x^2+1x-6=0 | | 88-42=3(h-6) | | 3x-2x^2=0 | | p-42=3(20-6) | | p-42=3(18-6) | | 7+2x=4x-5 | | x+y+z-3x-4y-2z= | | 10r-25=3r+7 | | p-6=.333(18-42) | | 3x-6=4x-18 | | 2y=2(3y-2)-4 | | 5w+9=4w-2 | | 2a-3ax+4a+4ax= | | 8r+9s-4r-7s= | | 8xy+2xy-7xy-9xy= | | 2(2x+3)-12=x |

Equations solver categories