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3241004551 [841]
4 years ago
7

The expression 3 x n can be written without the multication sign 3n.

Mathematics
1 answer:
postnew [5]4 years ago
3 0
If this is a true or false question, the answer is true.
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Which of the following is a factor of (x+y)³-(x+y)³
IgorC [24]

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<h3>Answer :</h3>

The factor of (x + y)³- (x³ + y³) is <u>3xy</u>

<h3>Step By Step Solution :</h3>

→ (x + y)³- (x³ + y³)

→ (x + y) - (x + y)(x² - xy + y²) [Using identity a³ + b³ = (a + b)(a²- ab+ b²)]

→ (x + y)(x² + y² + 2xy - x² + xy - y²)[Using identity, (a + b)² = (a² + b²+ 2ab)]

→ (x + y) (3xy)

→ 3xy

∴ Option d. 3xy is correct!

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6 0
3 years ago
Read 2 more answers
Which is the correct answer?
yuradex [85]

Step-by-step explanation:

y = x² - 16

x² = y + 16

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4 0
3 years ago
Factor this Polynomial completely. X^2-12x-36
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this cannot be factored.

 there are no 2 numbers that when added will equal - 12 and when multiplied together would equal -36

6 0
4 years ago
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