$f ( x ) = \frac { 1 } { x ^ { 2 } - 10 x + 25 }$

$-\frac{3}{13}cos\left(3x\right)e^{2x}+\frac{2}{13}sin\left(3x\right)e^{2x}$

$\frac{6xy}{3x^4}$

$\left(3y-5^2\right)$

$x^2+17x+72=0$

$\sin\left(\left(\frac{\pi}{180}x\right)+90\right)$

$\int\left(\sin z\left(x\right)\right)dx$