$y^3+5y^2+4y+20$

$49.9\int_0^2\left(\frac{x^3}{\sqrt{x^2+4}}\right)dx$

$\lim_{x\to0}\left(\left(1+2h\right)^{\frac{4}{h}}\right)$

$\left(r^9+10q^4\right)^2$

$\left(\tan\left(x\right)-1\right)\left(4\sin^2\left(x\right)-3\right)=0$

$7a\:-\:b\:+\:6a\:+\:8b$

$49a^6-70a^3y^2+25a^2y^4$