c^2-4=0

Simple and best practice solution for c^2-4=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 c^2-4=0 equation: 


Simplifying
c2 + -4 = 0

Reorder the terms:
-4 + c2 = 0

Solving
-4 + c2 = 0

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 4 + c2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + c2 = 0 + 4
c2 = 0 + 4

Combine like terms: 0 + 4 = 4
c2 = 4

Simplifying
c2 = 4

Take the square root of each side:
c = {-2, 2}

See similar equations:

| -77=12b-15 | | 17d+8=9d+80 | | 33x(x+4)=4620 | | 6x+12=-132-10x | | x-11+9=4 | | 3x-9=-18 | | 6x^4-18x^3-318x^2-54x= | | 2x^2+14x-1=0 | | 147-5x=5x+7 | | -3(4-2x)+1=25 | | 4.5+2x=-7.5 | | 4-3x=7X-2(3-x) | | a+40+2a+a-20=180 | | 5(4z-1)-3(z+9)=14(z+1) | | 8+99w=11 | | y+5=2y-5 | | -(5y+5)-(4y+8)=0 | | 9x+4-x-8= | | -5(t-4)-(t+8)=3 | | -x-1.5=4.5 | | 5a=15-a | | X^2+10X+1=0 | | 5i+9=i-23 | | -9.6-2x=10.8 | | 68=5n+43 | | 2x-4=9x+25 | | 12x+5=6x | | 4x+29=14x-61 | | 12x-1=10x+5 | | 20s^2+s=12 | | 6n+2=4n+17 | | y+5=2y-10 |

Equations solver categories