$\left(-\:2\right)\:\left(6\right)\:\left(-\:3\right)\:\left(-\:1\right)\:$

$\left(73^0a^3b^{-2}\right)^2$

$^{\frac{1}{3}}\left(0.008\right)$

$-x^2+x+12$

$\frac{d^2y}{dx^2}=x\sin\left(x\right)$

$\lim_{x\to\infty}\sqrt{\frac{2x^2-5x^2+4x-6}{6x^3+2x}}$

$25x^4-\frac{25}{16}x^2$