8cos^3x=8cosx

Simple and best practice solution for 8cos^3x=8cosx 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 8cos^3x=8cosx equation:


Simplifying
8cos3x = 8cosx

Solving
8cos3x = 8cosx

Solving for variable 'c'.

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

Add '-8cosx' to each side of the equation.
-8cosx + 8cos3x = 8cosx + -8cosx

Combine like terms: 8cosx + -8cosx = 0
-8cosx + 8cos3x = 0

Factor out the Greatest Common Factor (GCF), '8cosx'.
8cosx(-1 + s2) = 0

Factor a difference between two squares.
8cosx((1 + s)(-1 + s)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(1 + s)' equal to zero and attempt to solve: Simplifying 1 + s = 0 Solving 1 + s = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + s = 0 + -1 Combine like terms: 1 + -1 = 0 0 + s = 0 + -1 s = 0 + -1 Combine like terms: 0 + -1 = -1 s = -1 Add '-1s' to each side of the equation. s + -1s = -1 + -1s Combine like terms: s + -1s = 0 0 = -1 + -1s Simplifying 0 = -1 + -1s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(-1 + s)' equal to zero and attempt to solve: Simplifying -1 + s = 0 Solving -1 + s = 0 Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + s = 0 + 1 Combine like terms: -1 + 1 = 0 0 + s = 0 + 1 s = 0 + 1 Combine like terms: 0 + 1 = 1 s = 1 Add '-1s' to each side of the equation. s + -1s = 1 + -1s Combine like terms: s + -1s = 0 0 = 1 + -1s Simplifying 0 = 1 + -1s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 4x-8=3x | | 4m+3(2+m)=8-5m | | 0.24(24)+0.04x=0.12(12+x) | | 0.5(x)=50.73 | | 3a+7=17a | | 1.25x-2.5=3 | | 3x^2+3x+5=0 | | 3x+13=69-4 | | 3*x=21 | | 25/28+9=x | | 5.1(-29a-21)=-45.9(-9a+17) | | 50+(3x-4)=2*(3x-4)+26 | | 3x-2/5= | | 3x+9=7x-19 | | 4-x/3= | | 63=x+7x-1 | | 4(3x-5)=-8 | | x-1/4= | | 6x=13x+51-13x | | 2x+14=2x-7 | | 8(9-x)=24 | | x^3+10x^2+17x-28=0 | | 5x+7/3= | | h^2+3h-40=0 | | 7m-4=-6m+9 | | x/6=18/4 | | 6x+32=x | | -4x-2+6x=-12 | | 35+14x+5=180 | | -6x+7=5x-3 | | 7x+4=2(x-7) | | 2x+3x+1=1+5x |

Equations solver categories