$+289-412$
$2sin^2\:x\:-\:3\:sin\:x\:+1\:=\:0\:$
$-\frac{5}{2}\left(2x-4y\right)$
$\lim_{n\to\infty}\left(x^{-n}\right)$
$-68\:-7\:4$
$125x^3+8x^3$
$\left(3x^2+4\right)^3$
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