9c^2-15=1

Simple and best practice solution for 9c^2-15=1 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 9c^2-15=1 equation: 


Simplifying
9c2 + -15 = 1

Reorder the terms:
-15 + 9c2 = 1

Solving
-15 + 9c2 = 1

Solving for variable 'c'.

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

Add '15' to each side of the equation.
-15 + 15 + 9c2 = 1 + 15

Combine like terms: -15 + 15 = 0
0 + 9c2 = 1 + 15
9c2 = 1 + 15

Combine like terms: 1 + 15 = 16
9c2 = 16

Divide each side by '9'.
c2 = 1.777777778

Simplifying
c2 = 1.777777778

Take the square root of each side:
c = {-1.333333333, 1.333333333}

See similar equations:

| -11f+5g=-28 | | 2x^2+3=2x-8 | | 12+n+5=-3 | | y=-12.5x+625 | | (7/3)v-(2/5)=-2v-(7/3) | | 47.39+0.20m=39.99 | | -6f-8g=-22 | | 12.7-3.5= | | (2m+1)*x-1(3m-1)*x+2=0 | | 2x^2/2=500 | | x(2x)/2=500 | | (2m+1)x^2-(3m-1)x+2=0 | | 2/5w=-6 | | -5/8w=-8 | | 4x^3+x=0 | | 5c+8d=54 | | 18x+42=14x+58 | | 2/3^5 | | 2a-1=0 | | -4c-5d=-39 | | 3a+8b=-28 | | (m-2)x^2-2mx+m-3=0 | | 2(6-y-z)+2y+2z=12 | | 10a-3b=-34 | | y=-0.014x+5E+06 | | -16t^2+120t+48=0 | | h(t)=-16t^2+120t+48 | | -7x+3y=-71 | | -16t^2+120t+48=h(t) | | 9/10×1/3= | | 1(6-(5+z)-z)+3(5+z)+z=10 | | 4x-12=25 |

Equations solver categories