$9\left(-1\right)^2+12\left(-1\right)+6$

$\frac{1}{2}\cdot\log\left(49\right)=\log\left(x-5\right)$

$\left(x^{10}-10y\right)^2$

$101f-10f+75m+314$

$\int-x^7dx$

$x^2-5\left(x-3\right)\left(x-2\right)$

$\lim_{x\to0}\left(\frac{1}{ln\left(x+1\right)}\right)-\left(\frac{1}{x}\right)$