$\frac{12a^3+34a^2-30}{3a+4}$

$\frac{\sec\left(a\right)}{\sin\left(a\right)}+\frac{\sin\left(a\right)}{\cos\left(a\right)}$

$\frac{2}{sec^2\left(x\right)}$

$8x+4^2$

$\int_0^r\left(1+2x\right)e^{\frac{1}{3}x}dx$

$-3y+7y+4y^3-2y^2+6y^3-7y^3-5y$

$\frac{4x-3}{3}=\frac{x+8}{2}$