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Simplifying 7(cos(x) + cos(2x)) = 0 Multiply cos * x 7(cosx + cos(2x)) = 0 Remove parenthesis around (2x) 7(cosx + cos * 2x) = 0 Reorder the terms for easier multiplication: 7(cosx + 2cos * x) = 0 Multiply cos * x 7(cosx + 2cosx) = 0 Combine like terms: cosx + 2cosx = 3cosx 7(3cosx) = 0 Remove parenthesis around (3cosx) 7 * 3cosx = 0 Multiply 7 * 3 21cosx = 0 Solving 21cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '21'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| 4w*4w^6y^8*2y^6= | | c(x)=4x^2-360x+46 | | (u+4)(u+4)= | | x-.16x-.025x=513.45 | | -7x+7=-2x-53 | | 4(c+3c)-(c-1)=64 | | 7x+2=6x-10 | | x+10=3x-20 | | 9z+7=19 | | 5x+10=-3x+3 | | 6-2x=5x+34 | | (3+5i)(5+i)=0 | | 6+12x=17x | | x^2+8x+31=0 | | 3z^2+14z-24= | | 3x-4+x=18x+24+12 | | 3(x+20)=x | | y=1.5x+3.4 | | (w-10)(w+10)= | | n+39=34 | | 9(x+4)=36 | | 7x-2(x-8)=5(x+1)+8 | | x(x-1)=720 | | 6z=12-24 | | 4(3x-7)=-15-27 | | -4m+18-6(m-1)=8m-(2m-5)-7m+1 | | Ln(4x-8)=7 | | On(4x-8)=7 | | y=3.4+1.5x | | 7(5x+19)+(x+9)=18 | | 2(5x+8)=-35+21 | | -3+7=39 |