$\frac{y^2}{64}+\frac{1}{2}+\frac{4}{y^2}$
$\lim_{x\to0}\left(\frac{9x\left(cos\left(4x\right)-1\right)}{sin\left(3x\right)-3x}\right)$
$2\log\left(y+5\right)=\log\left(4\right)$
$4 x ^ { 2 } - 30 x + 56 = 0$
$\left(x^2-4x+4y\right)^2$
$\left(\frac{16}{11}z^9r-\frac{1}{3}r^{12}\right)^2$
$\left(\frac{2x^2}{3}-\frac{3y^2}{4}\right)\left(\frac{2x^2}{3}+\frac{3y^2}{4}\right)$
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