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Simplifying 2cos(2x) + -1 = 0 Remove parenthesis around (2x) 2cos * 2x + -1 = 0 Reorder the terms for easier multiplication: 2 * 2cos * x + -1 = 0 Multiply 2 * 2 4cos * x + -1 = 0 Multiply cos * x 4cosx + -1 = 0 Reorder the terms: -1 + 4cosx = 0 Solving -1 + 4cosx = 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 + 1 + 4cosx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4cosx = 0 + 1 4cosx = 0 + 1 Combine like terms: 0 + 1 = 1 4cosx = 1 Divide each side by '4osx'. c = 0.25o-1s-1x-1 Simplifying c = 0.25o-1s-1x-1
| y=6x^2+42x+12 | | y=3x^2+21x+6 | | -2x-20=-10 | | y=3x^2+42x+1 | | f(n)=n(n+nm) | | y=3-4(0) | | (0)=3-4x | | (0)+2y=6 | | -y=5x+6 | | 3*cos(2x)+5sinx-3=0 | | 3*5+-0.5y=5 | | (0)+2y=8 | | 225=7x+120 | | 2x+3*3=13 | | LG(7x-1)=0 | | 5a+7=-13 | | 6.5+-1.5y=2 | | x^2-6y-16=0 | | 36*3.14=4/3*3.14x^3 | | M=55.25+.91*(V) | | 4(x-2)=12-3(1-x) | | 2*cos(x)+sin(2x)=0 | | 6.5-(-1.5y)=2 | | 3.25p+14=30.25 | | 3.25+14=30.25 | | (3a-4)*2c*(2b+1)= | | (4w+9)=0 | | (2)-y=4 | | x-(0)=4 | | (1/4)/2/5 | | 23f-46=138 | | 3c^3+12c^2-15c=0 |