$\int\left(\sqrt[3]{b+9}\right)db$

$\left(3\sqrt{5}-2\sqrt{7}\:x\right)\left(3\sqrt{5}+2\sqrt{7}\:x\right)$

$f\left(x\right)=\frac{\left(2x\:-\:3\:\sqrt[3]{x^7}\:+\:3\:\right)\left(x^2\:-4\right)}{x^3}$

$5-\left(-57\right)$

$\sin\left(90-a\right)\tan\left(a\right)+1$

$n+n+9n-6n-3n$

$m^2+2mn+n^2-4mn$