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Is xy + xz = 0? (1) x = 0 (2) y + z = 0

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gmat1393
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Is xy + xz = 0? (1) x = 0 (2) y + z = 0 [#permalink] New post  16 Oct 2018, 20:53
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Is xy + xz = 0?

(1) x = 0
(2) y + z = 0
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Salsanousi
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Re: Is xy + xz = 0? (1) x = 0 (2) y + z = 0 [#permalink] New post  16 Oct 2018, 21:01
gmat1393 wrote:
Is xy + xz = 0?

(1) x = 0
(2) y + z = 0


Is x(y+z) = 0?

Straight D

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ArjunJag1328
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Re: Is xy + xz = 0? (1) x = 0 (2) y + z = 0 [#permalink] New post  16 Oct 2018, 21:26
Is xy + xz = 0?

(1) x = 0
(2) y + z = 0

Statement 1: x=0
The statement is sufficient to answer the question because any number multiplied by 0 is always a 0. AD/BCE

Statement 2: y+z=0
xy +xz = 0?
Factor out X => x(y+z)
Since y+x=0, the result will be always 0.
Sufficient AD/BCE

IMO D
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Re: Is xy + xz = 0? (1) x = 0 (2) y + z = 0 [#permalink] New post  02 Feb 2023, 02:14
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Re: Is xy + xz = 0? (1) x = 0 (2) y + z = 0 [#permalink]
02 Feb 2023, 02:14
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