$y^2+15y+25$

$\int\frac{x^4+1}{x\left(x+1\right)^2}dx$

$\int\left(x-\frac{3}{x}\right)^2dx$

$\left(\frac{1}{4}x\left(3\right)-\frac{1}{3}\right)^2$

$4t-4-5t+6$

$\left(-5m^3n^2pq\right)\left(-\frac{3}{2}n^6\right)\left(-5p^2q\right)\left(-\frac{1}{4}m^6\right)$

$\frac{x}{3}<4$