$\int\left(x\cdot\left(\sqrt[3]{x}-\sqrt[4]{x}\right)\right)dx$

$\left(-2\right)\left(+3\right)\left(+7\right)\left(-9\right)\left(+4\right)\left(-5\right)$

$a+6\cdot a+8$

$3\cdot\left(8+7-2^2\right)$

$\frac{d}{dx}4x^3+3xy-7y^2=2$

$5\left(9x+4\right)^4$

$\lim_{x\to-\frac{3}{5}}\left(\frac{6x^2+7x-5}{3x^2+11x+10}\right)$