$\left(14x-x^2\right)^3$
$3.x^2-16=0$
$3x-7=5x+3$
$9v^2\:+\:v\:+\:1$
$27n\:-\:9t$
$\left(u^{-2}\right)^{\frac{1}{2}}$
$ce\:\:\:\:\:+\:\:\:\:\:\:\left(ed\:\:\:+\:cf\right)\:\sqrt{5}\:\:\:\:\:+\:\:\:\:\:5df$
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