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Simplifying 2cos2 * 4x + -1 = 0 Reorder the terms for easier multiplication: 2 * 4cos2 * x + -1 = 0 Multiply 2 * 4 8cos2 * x + -1 = 0 Multiply cos2 * x 8cos2x + -1 = 0 Reorder the terms: -1 + 8cos2x = 0 Solving -1 + 8cos2x = 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 + 8cos2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 8cos2x = 0 + 1 8cos2x = 0 + 1 Combine like terms: 0 + 1 = 1 8cos2x = 1 Divide each side by '8os2x'. c = 0.125o-1s-2x-1 Simplifying c = 0.125o-1s-2x-1
| 2*-7/6 | | X-7x+5x-2x= | | 9/20=x(1/5x) | | -3=x/21 | | y=cos^2(x) | | 25r^2+30r+9=0 | | -4(2x+10)+2x=3x+15 | | 4x^2-100x+176=0 | | ln(2x)+ln(x-7)=0 | | -60+0= | | 60=4(k+3)+2 | | 6log(2x+14)=12 | | (-3x+5)(1x+8)=0 | | 2+[2x-3]=5 | | x+80+80=180 | | (1/3)y-9=(1/9)y | | d=(1/2)at^2 | | 7/10+8/10= | | x-(2/5)=(6/5) | | f(x)=-x^2+8x+1 | | -1[2+1(-6+1)]+16= | | 5y-8.2=4.3y-4.91 | | 5+3(x+6)= | | x+2x=57 | | 4(5y+3)+20=6(3y+2)+5 | | 5-0.3y=1.1 | | -36x=24x | | (6-3x)1/2-2=0 | | 9(x+8)+3=-9(x-5)-9 | | 3/6=nx2 | | 2+3+2+5+4+6+5+4+3+6+5+2+3+4+9+6+4+5+2+11+8+4+4+3+22= | | X(-7)=9 |