$x+1,\:9-x^2$
$\left(2x-3y\right)=6$
$8a^3-34a^2-7a+60$
$7z^2+4z^2-3z^2$
$\left(5x\:+\:10y\right)^2\:$
$9x^2-90x+16y^2+96y+225=0$
$4^3\cdot4^3\cdot4$
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