$$\left(5xy-3\right)\left(5xy+3\right)$$

$$\frac{x^2+4}{x-5}$$

$$\left(\frac{1}{3}x+6\right)\left(\frac{1}{3}x+6\right)$$

$$y'-2y\:=\:xe^{2x}$$

$$\cos^3\left(x\right)+\sin^2\left(x\right)=\cos\left(x\right)$$

$$\frac { ( u - h ) ( w - 5 ) } { h p }$$

$$\int\frac{16x-6}{4x^2-3x}dx$$