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Simplifying 2cos2(2x) + 2sin2(2x) = 0 Remove parenthesis around (2x) 2cos2 * 2x + 2sin2(2x) = 0 Reorder the terms for easier multiplication: 2 * 2cos2 * x + 2sin2(2x) = 0 Multiply 2 * 2 4cos2 * x + 2sin2(2x) = 0 Multiply cos2 * x 4cos2x + 2sin2(2x) = 0 Remove parenthesis around (2x) 4cos2x + 2in2s * 2x = 0 Reorder the terms for easier multiplication: 4cos2x + 2 * 2in2s * x = 0 Multiply 2 * 2 4cos2x + 4in2s * x = 0 Multiply in2s * x 4cos2x + 4in2sx = 0 Solving 4cos2x + 4in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4in2sx' to each side of the equation. 4cos2x + 4in2sx + -4in2sx = 0 + -4in2sx Combine like terms: 4in2sx + -4in2sx = 0 4cos2x + 0 = 0 + -4in2sx 4cos2x = 0 + -4in2sx Remove the zero: 4cos2x = -4in2sx Divide each side by '4os2x'. c = -1in2o-1s-1 Simplifying c = -1in2o-1s-1
| 5=-0.01x^2-0.2x+8 | | -2-2x=2x-3 | | (U+6)3= | | z^2=18i | | 3c^2-2c-12=0 | | 4+2sinx=5 | | x^3+9x^2-x-105=0 | | X^2-14x-122=0 | | X^2-14x-2=120 | | x^6-3x^4+3x^2-7=0 | | 13=2e^13x | | 5x+16=2x-6 | | -3n+7=15 | | X^2-14x-100=0 | | -5x-7+5(x+1)=6x+2 | | 2y+5=25-4y | | 11/p=13.671/3.929 | | (x-2)(2x+1)=-(x+3)(x+7) | | 3+9p-1=9p+9-7p | | x-5y+2z=-18 | | log(3)(8)-Log(3)(x-7)=3 | | 7/10=28/30 | | 2x+9=3-2x+16 | | 5w-6=8 | | 45=7z | | (1/4)³×(4)² | | 50=7z | | 4x=1x+1 | | 5w-2+6w-3= | | 5/16=m/14 | | 9x+2=77 | | 9x^2=77 |