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MA_775_DIABLO [31]
3 years ago
8

Factor completely 36x2 − 49.

Mathematics
2 answers:
erastova [34]3 years ago
8 0

Answer:

The correct option is D.

Step-by-step explanation:

The given expression is

36x^2-49

It can be written as

(6x)^2-(7)^2

Using the formula

a^2-b^2=(a-b)(a+b)

(6x)^2-(7)^2=(6x+7)(6x-7)

Therefore the complete factor form of given expression is (6x+7)(6x-7). The correct option is D.

torisob [31]3 years ago
5 0
The answer is D.

6x * 6x = 36x^2
6x * -7 = -42x
6x * 7 = 42x
-7 * 7 = -49

The -42x and 42x cancel each other out, resulting in 36x^2 - 49.
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