$4\left(y-1\right)^2-49$
$\int\frac{9ln\left(x^2\right)}{x}dx$
$1+3x-7x$
$\frac{\sin\beta}{1-\cos\beta}+\frac{1-\cos\beta}{\sin\beta}=2\csc\beta$
$9+6b^6+b^{12}$
$-83\:+z\::57$
$a^2-11a+30$
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