If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2cosx + 8cos2x + -4 = 0 Reorder the terms: -4 + 2cosx + 8cos2x = 0 Solving -4 + 2cosx + 8cos2x = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 2cosx + 4 + 8cos2x = 0 + 4 Reorder the terms: -4 + 4 + 2cosx + 8cos2x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2cosx + 8cos2x = 0 + 4 2cosx + 8cos2x = 0 + 4 Combine like terms: 0 + 4 = 4 2cosx + 8cos2x = 4 Reorder the terms: -4 + 2cosx + 8cos2x = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + 2cosx + 8cos2x = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-2 + cosx + 4cos2x) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-2 + cosx + 4cos2x)' equal to zero and attempt to solve: Simplifying -2 + cosx + 4cos2x = 0 Solving -2 + cosx + 4cos2x = 0 Move all terms containing c to the left, all other terms to the right. Add '2' to each side of the equation. -2 + cosx + 2 + 4cos2x = 0 + 2 Reorder the terms: -2 + 2 + cosx + 4cos2x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + cosx + 4cos2x = 0 + 2 cosx + 4cos2x = 0 + 2 Combine like terms: 0 + 2 = 2 cosx + 4cos2x = 2 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.
| 9g=6+16 | | 90=x-(x-8) | | x^2+y=9 | | y^2=5x | | 0=8t(-t+8) | | 4x^2+44x-153=0 | | -x^2+10x-32=0 | | 13k+5=-k-7 | | 2x^2+14x+49=169 | | x(2x-5)-7=11 | | 24x^2-32+8=0 | | y=x^3-23x+50 | | 7(9f-5)=-15+4f | | 27=16-x | | 2x*sin(x^2)= | | 2xsin(x^2)= | | 5x^2+15x+8=0 | | -4-p=2 | | 220=11b | | v-9=20 | | 7+3(1+8y)=-26 | | 15n^2-3=147 | | .4X+.4Y+.2Z= | | x+a=36666 | | 9(1-5v)=20 | | y=sin(x)+sin(2x) | | 2x+5y^2-x=0 | | 6b^2+3=99 | | 13+y=24 | | 26=4(7n+9) | | -6z+9-7=-28 | | 0.11=0.85x-0.5525+0.065 |