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Simplifying 3cos(6x) + -8cos(3x) + 5 = 0 Remove parenthesis around (6x) 3cos * 6x + -8cos(3x) + 5 = 0 Reorder the terms for easier multiplication: 3 * 6cos * x + -8cos(3x) + 5 = 0 Multiply 3 * 6 18cos * x + -8cos(3x) + 5 = 0 Multiply cos * x 18cosx + -8cos(3x) + 5 = 0 Remove parenthesis around (3x) 18cosx + -8cos * 3x + 5 = 0 Reorder the terms for easier multiplication: 18cosx + -8 * 3cos * x + 5 = 0 Multiply -8 * 3 18cosx + -24cos * x + 5 = 0 Multiply cos * x 18cosx + -24cosx + 5 = 0 Reorder the terms: 5 + 18cosx + -24cosx = 0 Combine like terms: 18cosx + -24cosx = -6cosx 5 + -6cosx = 0 Solving 5 + -6cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -6cosx = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -6cosx = 0 + -5 -6cosx = 0 + -5 Combine like terms: 0 + -5 = -5 -6cosx = -5 Divide each side by '-6osx'. c = 0.8333333333o-1s-1x-1 Simplifying c = 0.8333333333o-1s-1x-1
| 9x-6(x+2)-6=12x | | 9=2w+3 | | y=x+35-21 | | 0=2x^2+3x-8 | | X=(4-1) | | 0=v-3 | | halfx+4=17 | | 2x^2-20y+42=0 | | 1.5x=150x | | -3x+1=2x-3 | | (5x-6)^(1/3) | | -3x+1=-2x-3 | | x+0.85x+(0.85x+12)=180 | | 450=100ekt | | 64-40ab=0 | | -120=-12n | | 4sinx-2=2 | | 6k-4=18 | | 6/3*2a | | 0.5h+8.7=12.35 | | 84=14p | | 5(3-4x)-2(x-3)= | | x*1.4=1000000 | | 1/5s=125=2,225 | | 5x+10-2x-3x+2+4x=1 | | 9x(9x-4)=0 | | 3D-2c=-17 | | 2x-8(x+1)=28 | | 4(w+7)= | | C=1-D | | -0.01x^2-0.3x+40=0 | | 14x+62=7x+34 |