$\left(9x^3-6x^2+4x-3\right):\left(3x-x+1\right)$

$\int6x\cos\left(2x^2+1\right)dx$

$\int_7^{14}8.3e^{-.029x}dx$

$2b^2c-3b+6c\left(-\left(4b-c^2b+12b^2c\right)\right)$

$\int\left(2x-7\right)\cdot e^{3x}\:dx$

$\left(\:a^2\:b^3\right)^1$

$\int_1^{\infty}\left(\frac{1}{\sqrt{3}x}\right)dx$