$\left(y^2-\frac{4}{5}\right)^2$
$4+x>5-2x$
$\left(x+10\right)\left(x-4\right)\left(x+5\right)$
$-8945+771$
$-10x^2+7x+25\le0$
$a^2+10a+16$
$3=5+4\cos\left(2x\right)$
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