$4x^2-28xy+49y^2$
$senh\left(-x\right)=-senh\left(x\right)$
$\lim_{x\to0}\left(\frac{arcsin\left(3x\right)}{x}\right)$
$2\cdot4096$
$x^2-7x+6\ge0$
$\left(x-0\right)^2+\left(y-0\right)^2=0$
$44\:=\:6\:\left(1+4c\right)\:-5c$
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