Question

4x² - 9 factorise it please​

Answer 1

Answer:

2(2x)-3(3)

Step-by-step explanation:

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Answer 2

Formula used in answer:

${a}^{2} - {b}^{2} = (a + b)(a - b)$

Step-by-step explanation:

${2x}^{2} - {3}^{2} = (2x + 3)(2x - 3) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \ \\ = 4x - 6x + 6x - 9 \\ = 4x - 9$