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Oliga [24]
3 years ago
12

Which is a factor of 144 − 49x2

Mathematics
2 answers:
OleMash [197]3 years ago
8 0

Answer:

( 12 - 7x )  ( 12 + 7x )

Step-by-step explanation:

In the given question we have to find the factor of the expression ( 144 - 49x²).

We can rewrite the expression as

[(12)² - (7x)²]

Now we can write it as [a² - b² = ( a-b ) ( a+b )]

Therefore, expression will become [ (12-7x) (12 + 7x) ]

So factors will be either ( 12 - 7x ) or ( 12 + 7x )

vaieri [72.5K]3 years ago
4 0
Use a^2-b^2=(a-b)(a+b)

144-49x^2=12^2-(7x)^2=(12-7x)(12+7x)
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