2 cos^2 2A - 1
\sqrt{\frac{12}{x}-x}+\sqrt{12-x}=\frac{12}{x}
\sqrt{\frac{12}{x}-x}+\sqrt{12-x}-\frac{12}{x}
9x9x9
(x+2)(x+3)(x+6)
53340-19812
53340-33528
22/35 of 53340
x-8+2x+5=22-2x
3 divided by 1/5
