If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying cos2x + -7cosx + -1 = 0 Reorder the terms: -1 + -7cosx + cos2x = 0 Solving -1 + -7cosx + cos2x = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -7cosx + 1 + cos2x = 0 + 1 Reorder the terms: -1 + 1 + -7cosx + cos2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7cosx + cos2x = 0 + 1 -7cosx + cos2x = 0 + 1 Combine like terms: 0 + 1 = 1 -7cosx + cos2x = 1 Reorder the terms: -1 + -7cosx + cos2x = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + -7cosx + cos2x = 0 The solution to this equation could not be determined.
| x-7x=27 | | x/9-6=42 | | 2.4n/.8=1 | | 2*42-5c=1-c(42+2) | | 3x+16=7+13x | | 3x-2=13x-44 | | 4x+2=810 | | 15x^2-3x/-3x | | (6-y)=0 | | 8xy(2x+3y)= | | 32y^2/28y^2 | | 1+6p+1=2p | | 12x-(3x+7)+27=4x | | -2a+4+3a=5-25 | | 7r-8(r+3)=1 | | f(x)=0.11x+43 | | -3/y=9 | | -3x+1=x | | -5/2-1/3v=-6/5 | | 1+7n=3n+1 | | 3d-11/4=3/2 | | -9y^6(3y^6+8)= | | 47=r/6 | | 135/365 | | 61x^4+3x^3+99x^2-x-53=0 | | 2x-5/85 | | 2x-5=85 | | 6m+5=59m | | Abs(5-4x)-3=4 | | n^2+6n-82=0 | | -y^2-2y-24=0 | | 3/7x-1=2/3(6x-2) |