x^2-2=3

Simple and best practice solution for x^2-2=3 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^2-2=3 equation:


Simplifying
x2 + -2 = 3

Reorder the terms:
-2 + x2 = 3

Solving
-2 + x2 = 3

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + x2 = 3 + 2

Combine like terms: -2 + 2 = 0
0 + x2 = 3 + 2
x2 = 3 + 2

Combine like terms: 3 + 2 = 5
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}

See similar equations:

| y=x^2+10x+1 | | x=1.6y | | -4+6x+-1x^2+y=0 | | 22X^2-13X=0 | | -x^2+2x+4x+y=4 | | 3.1y+1.2=2.3y+2.8 | | -6x-6=3x+12 | | 0=4x^2+2x-528 | | -6.5r-6=3.5r+9 | | 4*c-5=32 | | 4*c-5=21 | | 4x^2+13x=-3 | | 10+2y=4-3y | | -5+4c=32 | | 9.25p-9=3.25p+15 | | 5(x+3)-(3x-7)= | | .2(90x+42)=10x+10.4+2x | | 45-3x=5+n | | 4x-5y=27 | | 3q=-6+4p | | 8-4x=40 | | 9-y^2+2y=1 | | 66.66x+6=18 | | 3q=-6+3q | | 5(x+3)-1(3x-7)= | | 3(5z-1)-2=13z+3 | | 3(4x+2)=2(1+5x)+8 | | 0.66x+6=18 | | -9.5x-0.05=10.5x+1.05 | | 12-9x=102-30x | | 5-26=y-4+12 | | 3(30+s)-4(s+19)=0 |

Equations solver categories