$\left(4x^{6a}\right)^2-\left(7y^2b\right)^2$

$0.002613532\left(x-1.7\right)^2$

$10^2+y^4-14y-24$

$\sqrt{x^2\:+\:\frac{1}{\sqrt{2}}x^4\:+\:\frac{1}{3}x^6}$

$\int_0^{\infty}\left(\frac{1}{x\sqrt{x^2-9}}\right)dx$

$\left(a^2b^3\right)\left(-3a^2x\right)$

$\frac{4}{3}x\cdot5$