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It is possible to factorise 4x²-9 further.

Factorising is to express a number or expression as a product of factors.

The technique of factorising two terms: a² - b² = (a + b) (a - b)

If we apply ( 4x²-9 ) to the previous technique: 4x² - 9 = (2x + 3) (2x - 3)

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Q: Can you Factorise 4x²-9
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