$0.02\left(-0.6\right)^4-0.13\left(-0.6\right)^3-0.34\left(-0.6\right)^2+1.5\left(-0.6\right)+2$

$x^{2\:}-\:5x=\:14$

$\frac{sin\:b}{1+cos\:b}+\frac{1+cos\:b}{sin\:b}$

$11\left(-2y\right)$

$\int_2^{\infty}\left(\frac{7}{xlnx}\right)dx$

$y'=2y-y^2,\:y\left(0\right)=1$

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