factorise 1) 4p²-9q²
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Answered by
5
Answer:
4p² - 9q²
(2p)² - (3q)²
(2p + 3q)(2p - 3q)
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
factorise.
(1)4p² - 9q² (2) 25a² - 4b² + 28bc - 49c²
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