$4x+5=2x\:+\:9$
$-y-\left(\frac{1+x}{x}\right)$
$\arcsin\frac{x-1}{x+1}=-\frac{\pi}{2}+2\arctan\sqrt{x}$
$5x^2-15x$
$\frac{3}{4}x+2<\frac{1}{3}$
$\int\:27\:x^2\sqrt[7]{9\:x^3\:+\:5}dx$
$z^2+16wz+64w^2$
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