3 years ago

Factor this expression completely 9x^2- y^2

Mathematics

2 answers:

Nina [5.8K]3 years ago

7 0

Answer:

(3x - y)(3x + y)

Step-by-step explanation:

Both 9x^2 and y^2 are perfects squares.

The rule for factoring perfect squares is a^2 - b^2 = (a - b)(a + b).

Here, factoring (3x)^2 - y^2 results in (3x - y)(3x + y).

Neporo4naja [7]3 years ago

6 0

(3x-y)(3x+y) is the answer to the question

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