$8x^2-5x+3$

$\left(3\cdot10^3\right)\left(7\cdot10^6\right)$

$\lim_{x\to0}\left(\frac{7^{sin\left(x\right)}-1}{x}\right)$

$\frac{d^5}{dx^5}\left(10sin\left(x\right)\right)$

$\left(x+\frac{3}{4}\right)\left(x-3\right)$

$\log\left(10\right)z=2-\log\left(10\right)x-\log\left(10\right)y$

$\frac{9}{1-x},\:c=-7$