2cos^2(x)-8=-6

Simple and best practice solution for 2cos^2(x)-8=-6 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 2cos^2(x)-8=-6 equation:


Simplifying
2cos2(x) + -8 = -6

Multiply cos2 * x
2cos2x + -8 = -6

Reorder the terms:
-8 + 2cos2x = -6

Solving
-8 + 2cos2x = -6

Solving for variable 'c'.

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

Add '8' to each side of the equation.
-8 + 8 + 2cos2x = -6 + 8

Combine like terms: -8 + 8 = 0
0 + 2cos2x = -6 + 8
2cos2x = -6 + 8

Combine like terms: -6 + 8 = 2
2cos2x = 2

Divide each side by '2os2x'.
c = o-1s-2x-1

Simplifying
c = o-1s-2x-1

See similar equations:

| 5x-4x+3x+8= | | 3x+5x-14=54 | | (1-u)(5u+9)=0 | | 14=11(x+3) | | 11/13=u/5 | | x+8(180000-.125x)=1440000 | | m=4.25+.15x | | n=3.65+.35x | | Z+5=-4z+20 | | x*4+12=40 | | x^2-1818=0 | | x*4+12= | | 1.5y+2x=15 | | x+8y=1440000 | | 5x^3/2-15=0 | | 5x-9(47-12x)=29 | | V^3-24v=2v^2 | | 5/-2y | | 54=v/3 | | 3x/9x2 | | 5p-24=-51+2p | | 8m-5=-5+7m | | (x-5-5i)(x-5+5i)=y | | 6x^2+24x-6=-6 | | 6x+24=8(x+3)-2x | | 6(3+2x)-3=87 | | 3e+(4r+2)-43=xy | | (5y+3)2-108=0 | | 6x+24=8(x+3) | | 7(x+12)=4x | | x+1.3x=8 | | (3x-8)(2x-7)=91 |

Equations solver categories