$-106-43$

$\int\:x^2\:e^{22x}dx$

$y=-3x^{-3}-2x^{-2}$

$3\left(x^2-2xy+y^2\:\right)-\left(2xy-x^2+2y^2\right)$

$\frac{\sec^2\left(x\right)+2\tan\left(x\right)}{\tan\left(x\right)\cdot\sec\left(x\right)+\csc\left(x\right)}$

$28m^3n^3-75m^3n^3-90m^3n^4$

$\left(34+2x\right)\left(50+2x\right)$