$\frac{d}{dx}30x^2$
$5^3\cdot5^2\cdot2^5$
$7m\left(2m^2\right)^3$
$x^6+y^6=\left(x^2+y^2\right)\left(x^4-x^2y^2+y^4\right)$
$k^3=27$
$x^2+2x+3>0$
$4i^2-5i-2$
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