If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2cos2x + -4cosx + 2 = 0 Reorder the terms: 2 + -4cosx + 2cos2x = 0 Solving 2 + -4cosx + 2cos2x = 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 + -4cosx + -2 + 2cos2x = 0 + -2 Reorder the terms: 2 + -2 + -4cosx + 2cos2x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -4cosx + 2cos2x = 0 + -2 -4cosx + 2cos2x = 0 + -2 Combine like terms: 0 + -2 = -2 -4cosx + 2cos2x = -2 Reorder the terms: 2 + -4cosx + 2cos2x = -2 + 2 Combine like terms: -2 + 2 = 0 2 + -4cosx + 2cos2x = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(1 + -2cosx + cos2x) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -2cosx + cos2x)' equal to zero and attempt to solve: Simplifying 1 + -2cosx + cos2x = 0 Solving 1 + -2cosx + cos2x = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -2cosx + -1 + cos2x = 0 + -1 Reorder the terms: 1 + -1 + -2cosx + cos2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2cosx + cos2x = 0 + -1 -2cosx + cos2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2cosx + cos2x = -1 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.
| x=9b-12b^2 | | 64+9(12/3*2)-7 | | 1/7x^2-7=0 | | 2x+4y=800 | | -3a-5+2a=25-5a | | 8e2+9(12/3*2)-7 | | (15/x)+(9x-7/x+2)=3 | | y-24=-13 | | 3x(4+2x)=0 | | 3x^2-23x+12=0 | | 3x-3-12=2(x-6)+11 | | 3xy+9xy+5yx= | | 5(x-6)-2(x+2)=23 | | 24x^2y-36xy^2= | | w^2+10w=200 | | (a^3-2)(a^3+1)= | | 3x-4=15x+8 | | (x-12)(x-12)= | | k^2-4k+4=0 | | 3w-3=29 | | (4)(-3)-4/2(-3)^2=0 | | 3-3w=29 | | 3Y+28=-4Y | | 2x+4+x=4+2x | | -2+3x=7 | | p^2-9p-10=0 | | r^3-6r^2-40r=0 | | d(300)=680-100(300) | | n^3+13n^2+40n=0 | | x^4-16x^3-y^3=0 | | d(220)=680-100(220) | | 2r^2-14r+20=0 |