$\int\left(4x^2+8+\frac{9}{x^2+1}\right)dx$

$\int6x^5\left(x^6+4\right)^7dx$

$7\left(3c+1\right)+c$

$\:4cos^2\left(2x\right)cos\left(3x\right)-2cos\left(3x\right)-cos\left(7x\right)\:$

$-y+9c+9+10c+9-1$

$\int\:4\left(x^2-1\right)e^{x^3-3x+12}dx$

$\left(\frac{1}{2}x^4\right)\left(16x^5\right)$