$176x=121+64x^2$

$-8\cdot\frac{1}{2}$

$2\sin^4\left(x\right)-2cos^4\left(x\right)+2cos^2\left(x\right)-2sin^2\left(x\right)$

$\frac{dy}{dx}=2xe^{-3y}cos\left(3x\right)$

$\int\frac{12x^2+16}{x^3+4x}dx$

$\lim_{x\to-\infty}\left(\frac{\left|8x+6\right|}{4x-2}\right)$

$3f+3c+2h+f+3c$