Factorise : 6a 2 - a - 15

Given, 6a 2 - a - 15 = 6a 2 - 10a + 9a - 15 = 2a(3a - 5) + 3(3a - 5) = (3a - 5)(2a + 3). Hence, 6a 2 - a - 15 = (3a - 5)(2a + 3).

Mathematics

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Given,

6a² - a - 15

= 6a² - 10a + 9a - 15

= 2a(3a - 5) + 3(3a - 5)

= (3a - 5)(2a + 3).

Hence, 6a² - a - 15 = (3a - 5)(2a + 3).

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