X^2-8=8

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


Simplifying
X2 + -8 = 8

Reorder the terms:
-8 + X2 = 8

Solving
-8 + X2 = 8

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 = 8 + 8

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

Combine like terms: 8 + 8 = 16
X2 = 16

Simplifying
X2 = 16

Take the square root of each side:
X = {-4, 4}

See similar equations:

| 47=28x-12x | | (9+x)2=(12+4)3 | | 8(y+9/2)+8(3y-7/8)=8 | | 2*2+7x=0 | | 14x=-41 | | 8(y+9/2)+8(3y-7/8) | | 11x+12=9x+16 | | 5y-6+y+52=6y+50-4y | | 2*2+7=0 | | (5+3)8=(4+x)6 | | 4x+3=2y | | 13-3/4t=5 | | S=-9+9 | | 14x+42=1 | | 1/2(x+43)=62 | | x^4+7x^2+14=0 | | c=4-20 | | (4n+n)+(3m-7)i=8-2i | | c=-20 | | 3(x+4)=9x-15 | | d=5-7 | | 7n+14=-6 | | (5x+2)(4x+6)=0 | | -4x-19=-91 | | 26x-=67 | | 2x/5+1+7 | | 15*30= | | -5+5a+4+-2a+3a= | | 6/5+2/5x=31/15+3/5x+1/3 | | x/6+7+20 | | (4y^3+12y^2+5y)=0 | | 305=22g+33(12-g) |

Equations solver categories