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Simplifying 3sin2(2x) + 2cos(2x) + -2 = 0 Remove parenthesis around (2x) 3in2s * 2x + 2cos(2x) + -2 = 0 Reorder the terms for easier multiplication: 3 * 2in2s * x + 2cos(2x) + -2 = 0 Multiply 3 * 2 6in2s * x + 2cos(2x) + -2 = 0 Multiply in2s * x 6in2sx + 2cos(2x) + -2 = 0 Remove parenthesis around (2x) 6in2sx + 2cos * 2x + -2 = 0 Reorder the terms for easier multiplication: 6in2sx + 2 * 2cos * x + -2 = 0 Multiply 2 * 2 6in2sx + 4cos * x + -2 = 0 Multiply cos * x 6in2sx + 4cosx + -2 = 0 Reorder the terms: -2 + 4cosx + 6in2sx = 0 Solving -2 + 4cosx + 6in2sx = 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 + 6in2sx = 0 + 2 Reorder the terms: -2 + 2 + 4cosx + 6in2sx = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 4cosx + 6in2sx = 0 + 2 4cosx + 6in2sx = 0 + 2 Combine like terms: 0 + 2 = 2 4cosx + 6in2sx = 2 Add '-6in2sx' to each side of the equation. 4cosx + 6in2sx + -6in2sx = 2 + -6in2sx Combine like terms: 6in2sx + -6in2sx = 0 4cosx + 0 = 2 + -6in2sx 4cosx = 2 + -6in2sx Divide each side by '4osx'. c = 0.5o-1s-1x-1 + -1.5in2o-1 Simplifying c = 0.5o-1s-1x-1 + -1.5in2o-1 Reorder the terms: c = -1.5in2o-1 + 0.5o-1s-1x-1
| an=30-4n | | x+x+3+4=72 | | 2(a-6)=-28 | | -7/2-9/2 | | 3x+21=4x+5 | | 4/10=8/20 | | 4.05=0.45 | | -3n+8=28 | | 0.75s+10=0.25s | | 8x+3y+8z-5x+4z-6y= | | 19y+180=-15y | | 8v+4-2(-3v-3)=4(v-2) | | .66(18+12x)=6(2x-7) | | 4h(3h-5)= | | -2x-7(3x+1)=41 | | 18x+2x=24 | | 8+4(3y-4)=-4(2y-2)+2y | | 3x+33=2(5x-1) | | 6a-3c+a+2b= | | 6(x-1)-9=-3(-8x+6)-6x | | x-0.25x=200 | | 75(b+9)=675 | | 67=2x+15 | | 0.75x=5 | | (x+8)(x+5)=x^2+px+40 | | 1.2x+1.8x=90 | | 18y=-11x-16 | | 15+5*4=x | | b^2+7b+14=0 | | 3(x+5)+4=2(x+1)+4 | | 2*(7+3t)=-1 | | 10y=5x+100 |