3 years ago

Please help! 5/20, will give brainliest. I do not tolerate spam answers!

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

4 0

Answer:

9(x - 3)(x + 3)

Step-by-step explanation:

Given

9x² - 81 ← factor out 9 from each term

= 9(x² - 9) ← x² - 9 is a difference of squares

= 9(x - 3)(x + 3) ← in factored form

notka56 [123]3 years ago

3 0

This one can be factored.

$9x^2-81=9(x^2-9)$

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