5cos^2x+3cosx+2=0

Simple and best practice solution for 5cos^2x+3cosx+2=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 5cos^2x+3cosx+2=0 equation:


Simplifying
5cos2x + 3cosx + 2 = 0

Reorder the terms:
2 + 3cosx + 5cos2x = 0

Solving
2 + 3cosx + 5cos2x = 0

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + 3cosx + -2 + 5cos2x = 0 + -2

Reorder the terms:
2 + -2 + 3cosx + 5cos2x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3cosx + 5cos2x = 0 + -2
3cosx + 5cos2x = 0 + -2

Combine like terms: 0 + -2 = -2
3cosx + 5cos2x = -2

Reorder the terms:
2 + 3cosx + 5cos2x = -2 + 2

Combine like terms: -2 + 2 = 0
2 + 3cosx + 5cos2x = 0

The solution to this equation could not be determined.

See similar equations:

| 3[7(-5x-2)]=30x+33 | | Z-8=(-4) | | 2x+-4=x+2 | | -ax+by=5 | | 100+169=169 | | x-0.3x=30000 | | 4k*5k= | | 7-3(x+1)=8+x | | X-12=125x | | 1.2-a=1.44 | | (-1)=j(-8) | | 40-6p=9p+10 | | 5=4a-3 | | 2x+5r=h | | 8t+10=6t | | 8y+12x=96 | | 1.6+p=6.4 | | 3.3x-0.7y=3 | | Qs=-10+5p | | .2(3x-7)+2.5=.9 | | 4(x+4)-9=15-3x-8+7x | | 2x^5-7=0 | | 6.5a=45.5 | | -4+2(x+4)=-(x-4) | | 29x+50=21 | | z^2-2z-i+1=0 | | 5x+1=5(x-9) | | (16-27)=13 | | f(x)=3x^2-4x | | 3(5s+1)-6s=3(3s+5)-17 | | -12x+24=144 | | -20=5(m+2) |

Equations solver categories