x^2-4=2

Simple and best practice solution for x^2-4=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^2-4=2 equation: 


Simplifying
x2 + -4 = 2

Reorder the terms:
-4 + x2 = 2

Solving
-4 + x2 = 2

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + x2 = 2 + 4

Combine like terms: -4 + 4 = 0
0 + x2 = 2 + 4
x2 = 2 + 4

Combine like terms: 2 + 4 = 6
x2 = 6

Simplifying
x2 = 6

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

See similar equations:

| -x^2+3x+58=0 | | Urmo*m=Urda*d+2 | | 6x+14=9x+-14-3x | | 3h+15-5+2h=5 | | y-1=4(x-5) | | 3c(c+8)=0 | | 3243242213(h-920423)2342349085=53h | | Q+2=q+1 | | 12(3x-5)+4x=28x-4(6x+79) | | 3x-5+5x+31=90 | | (d+4)(d+2)=0 | | (4x-2)+(11x+17)=90 | | y=1E+06e-0.055x | | 3a^2+7a-2=-2 | | 1+1=flecha | | -7k^2-10k-11=-8 | | -18=2v+8(v+4) | | 10x^2+7x-4=0 | | 24543h=111111 | | (5x+4)+(7x-10)=90 | | -(1-2r)=-3r+4(r-1) | | 3600=3562 | | x-3=2(x+1) | | -9x^2+2x-4=-4 | | (8z-7)(z-3)=0 | | (4x^2-2x+1)-(3x^2-4x+2)=0 | | 3x-10=4x-40 | | 5y=8x-10 | | 0.06x+0.08(1400-x)=100 | | p(p-7)=0 | | 3x-4y-88=12 | | 6x=12*2x |

Equations solver categories