4c^2-9=0

Simple and best practice solution for 4c^2-9=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 4c^2-9=0 equation: 


Simplifying
4c2 + -9 = 0

Reorder the terms:
-9 + 4c2 = 0

Solving
-9 + 4c2 = 0

Solving for variable 'c'.

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

Add '9' to each side of the equation.
-9 + 9 + 4c2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 4c2 = 0 + 9
4c2 = 0 + 9

Combine like terms: 0 + 9 = 9
4c2 = 9

Divide each side by '4'.
c2 = 2.25

Simplifying
c2 = 2.25

Take the square root of each side:
c = {-1.5, 1.5}

See similar equations:

| (8c+3)+12(4c-10)=0 | | 3x^2+xy^2-3xy-y^3= | | -(5x-6)=0 | | 8s-23=9+4s | | 17*4x=9 | | 1+3+5=118 | | -2(11b-3)=0 | | 2p-10=-18+3p | | 8x(6x+8)=2 | | -8h+10h-12h-15h=0 | | 2x+5y=-25 | | 4(3+5x)-1=111 | | 5m^2-11m+6=0 | | 14y+22-15y+23y=0 | | 5n^2+7n-34=0 | | 8x-9y+16x+12y=0 | | 100.70*.06=a | | 100.70*.06= | | 9(6x-2)-3(9x-3)=0 | | 0.9x=50 | | -2(2x-3)=-6 | | 11r+3-12+2r= | | x*0.13+x=27.03 | | x^2-3x-47=0 | | x+2x+2x-7=2101 | | g(x)=-2x^2+2x-7 | | 12-(6-2x)=42-7x | | -3(5n+1)=6 | | 2(x-3)-6=0 | | -3x+2x=7 | | 2x^2-7=43 | | -3x^2+21=0 |

Equations solver categories