$22.37-7.63$
$\:3c+5c$
$f\left(x\right)=e^{1-\cos\left(x\right)}$
$-263=-x-45$
$3.\left(3y\:+\:5\:\right)\:\left(3y\:+\:5\right)$
$\frac{a^3-8b^3}{a-2b}$
$10x^2+20x+4=16$
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