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iris [78.8K]
3 years ago
5

Which is a factor of 144 − 49x2? HELP PLEASE

Mathematics
2 answers:
rewona [7]3 years ago
8 0
(12 + 7x)(12 - 7x) the answer to the question
Andreyy893 years ago
6 0

Answer:

Factors (12 - 7x) ( 12 +7x ) .

Step-by-step explanation:

Given  : 144 − 49x².

To find : Which is a factor .

Solution : We have given 144 − 49x²

We can write 144 = (12)².

                       49 = (7)².

Then  (12)² - (7x)².

By the formula (a)² - (b)² = (a-b) ( a+b) .

Here, a = 12 ,  b = 7x

 (12)² - (7x)² = (12 - 7x) ( 12 +7x ) .

Therefore, Factors (12 - 7x) ( 12 +7x ) .

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