3 years ago

Factor the expression. 49x^2-16

Mathematics

2 answers:

pantera1 [17]3 years ago

7 0

Answer:

The correct answer is first option

(7x + 4)(7x − 4)

Step-by-step explanation:

Points to remember

Identities

(a + b)(a - b) = a² - b²

It is given an expression,

49x² - 16

To factorize the expression 49x² - 16

We know that 7² = 49 and 4² = 16

Therefore we can write the given expression as,

49x² - 16 = (7x)² - 4²

It is in the form of the above identity,

(7x)² - 4² = (7x + 4)(7x - 4)

The correct answer is first option

goblinko [34]3 years ago

3 0

Answer:

The answer is :

A. (7x + 4)(7x - 4)

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