Question

4a² - 9 factrise please​

Answer 1

Step-by-step explanation:

here is your answer

Hopes it will help

Answer 2

(2a + 3) (2a - 3) is your correct answer...

Step-by-step explanation:

4a² - 9

(2a)² - (3)²

since, [ (a)-(b)² = (a+ b)(a-b) ]

(2a+3)(2a-3)

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