8(cos^2)x+9cosx-17=0

Simple and best practice solution for 8(cos^2)x+9cosx-17=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 8(cos^2)x+9cosx-17=0 equation:


Simplifying
8(cos2) * x + 9cosx + -17 = 0

Multiply cos2 * x
8cos2x + 9cosx + -17 = 0

Reorder the terms:
-17 + 9cosx + 8cos2x = 0

Solving
-17 + 9cosx + 8cos2x = 0

Solving for variable 'c'.

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

Add '17' to each side of the equation.
-17 + 9cosx + 17 + 8cos2x = 0 + 17

Reorder the terms:
-17 + 17 + 9cosx + 8cos2x = 0 + 17

Combine like terms: -17 + 17 = 0
0 + 9cosx + 8cos2x = 0 + 17
9cosx + 8cos2x = 0 + 17

Combine like terms: 0 + 17 = 17
9cosx + 8cos2x = 17

Reorder the terms:
-17 + 9cosx + 8cos2x = 17 + -17

Combine like terms: 17 + -17 = 0
-17 + 9cosx + 8cos2x = 0

The solution to this equation could not be determined.

See similar equations:

| 150.00x+1000= | | 2+3*x+5=0 | | 1000+1500=2200 | | 2+3*7=30 | | 1+2=4 | | 2(5x-2)=4(7x+4) | | 1=x+10000000000 | | (3-2x)2=36 | | -10+747= | | -60h+747=10 | | -60+747= | | 1/4(2x-9)=3 | | 16y^4+81=5 | | (a^4/-2b^2)^3 | | 3.00h+5*1= | | 3.00h+5=50 | | 20*5h= | | 14+3h= | | t^2/3=9 | | 3h+20= | | 5h+29=20 | | 8h+14=20 | | 8h+29=20 | | 422(1-19x)+3.92(1-19x)=0.375(19x-1) | | 3h+29=20 | | 422(1-19x)+3.92(1-19x)=3/8(19x-1) | | 3h+29= | | Y=x^2+6x-27 | | 5h+20= | | 2x^2-10x+2=2x-7 | | 4(x-4)/5=x-7 | | 19.4+x=21.5 |

Equations solver categories