Question

factories the following
9x²-1​

Answer 1

Answer:in attachment

Step-by-step explanation:

Answer 2

$9x ^{2} - 1 \\ = (3x) ^{2} - 1 ^{2} \\ = (3x + 1)(3x - 1)$

Answer is

$(3x + 1)(3x - 1)$

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