$\lim_{x\to-0.01}\left(\frac{x}{\sin\left(x\right)}\right)$
$\int\sin^2\left(y\right)\:dy$
$x^2+8x=9$
$2x^2+2x-24$
$1^2-16$
$x^2-8x+9$
$2a+\left(a+\left(b-a\right)\right)+\left(\left(a-b\right)+\left(-2b+a\right)\right)$
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