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(x-1)(x+1)
[#permalink]
12 Apr 2022, 02:00
12 Apr 2022, 02:00
Expert Reply
00:00
Question Stats:
100% (00:51) correct
0% (00:00) wrong based on 9 sessions
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Quantity A |
Quantity B |
\([x-1][x+1] \) |
\([x+3][x-3]\) |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE Quantitative Reasoning Daily Challenge - (2022) EDITION
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: (x-1)(x+1)
[#permalink]
12 Apr 2022, 11:53
12 Apr 2022, 11:53
1
Option A: x+1 * x -1 ---> x^2 - 1
Option B: x+3 * x -3 ----> X^2 - 9
Remove x^2 from both the equations because they will both can be canceled out
-1 > -9, hence option A > option B
Ans is A
Option B: x+3 * x -3 ----> X^2 - 9
Remove x^2 from both the equations because they will both can be canceled out
-1 > -9, hence option A > option B
Ans is A
gmatclubot
Re: (x-1)(x+1) [#permalink]
12 Apr 2022, 11:53
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