$49y^2-14y+1$

$\lim_{x\to0}\left(\frac{2e^x-2\:+x\cos\left(x\right)}{sin^2x\:-3x}\right)$

$\left(3\cdot6^2\right)-\left(5\cdot6\right)+4$

$\lim_{x\to\infty}\left(\frac{2x^2+3}{x^2}\right)$

$-4b\left(b+1\right)$

$-\left\{5+\left[3-132:\left(-2\right)\right].7\right\}$

$x^3+2x^2-29x+42$