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Algebra

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Difficult

Quadrilateral and Like Terms

ALGEBR-EJPMVP

The side lengths of a quadrilateral are $5x$, $7x^{3}, x^{2}$, and $10x^{2}$. What is the perimeter?

A

$23x^{4}$

B

$12x^{3}+ 11x^{2}$

C

$7x^{3} + 11x^{2} + 5x$

D

$22x^{3} + x$