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# If x – y = R and xy = S, then (x – 2)(y + 2) =

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Joined: 05 Dec 2016
Posts: 111
If x – y = R and xy = S, then (x – 2)(y + 2) =  [#permalink]

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18 Mar 2018, 11:11
2
00:00

Difficulty:

25% (medium)

Question Stats:

100% (01:01) correct 0% (00:00) wrong based on 9 sessions

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If $$x – y = R$$ and $$xy = S$$, then $$(x – 2)(y + 2)=$$

A $$R + S –4$$
B $$R + 2S – 4$$
C $$2R – S – 4$$
D $$2R + S – 4$$
E $$2R+S$$

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Math Expert
Joined: 02 Sep 2009
Posts: 55682
Re: If x – y = R and xy = S, then (x – 2)(y + 2) =  [#permalink]

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18 Mar 2018, 11:13
AweG wrote:

If $$x – y = R$$ and $$xy = S$$, then $$(x – 2)(y + 2)=$$

A $$R + S –4$$
B $$R + 2S – 4$$
C $$2R – S – 4$$
D $$2R + S – 4$$
E $$2R+S$$

Kudos if you like the post!

Discussed here: if-x-y-r-and-xy-s-then-x-2-y-245327.html

Please search before posting. Thank you.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: If x – y = R and xy = S, then (x – 2)(y + 2) =   [#permalink] 18 Mar 2018, 11:13
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