## If x, y, P, and Q are positive integers such that x + y = P and $$x^2=\dfrac{Q^2}{Y^2},$$ then

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### If x, y, P, and Q are positive integers such that x + y = P and $$x^2=\dfrac{Q^2}{Y^2},$$ then

by AAPL » Thu May 06, 2021 4:21 am

00:00

A

B

C

D

E

## Global Stats

E-GMAT

If x, y, P, and Q are positive integers such that x + y = P and $$x^2=\dfrac{Q^2}{Y^2},$$ then (x-3y)(y+3x)=

A. $$3P^2-8Q$$
B. $$3PQ-8Q$$
C. $$3Q^2-8Q$$
D. $$3P(\sqrt{P^2-4Q})-8Q$$
E. $$3P(\sqrt{P-2Q})-8Q$$

OA D

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