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Evaluate the following expressions.

Evaluate ${-3x^{2}r}$ when $x=-1$ and $r=-5$ .
$\displaystyle{{-3x^{2}r}=}$

Evaluate ${\left(-3x\right)^{2}r}$ when $x=-1$ and $r=-5$ .
$\displaystyle{{\left(-3x\right)^{2}r}=}$

You can earn partial credit on this problem.