$\int\left(x\sin x^2\right)xdx$

$\left(2^5\cdot2^7\right)\cdot\left|2^2\cdot\left(2^2\right)^3\right|$

$\int\frac{4\sin\left(x\right)}{16\cos^2\left(x\right)-4\cos\left(x\right)}dx$

$\frac{c}{6}=14$

$6-5b>21$

$\left(\frac{1}{2}+3y\right)^2$

$\left(x+y\right)^4+2\left(x^2+2xy+y^3\right)-4$