Math, asked by jayMathur472, 1 year ago

Factorise - 4a2 - 9b2 - 2a - 3b

Answers

Answered by william
2
{- [(2a)^2 + (3b) ^2] } - [(2a + 3b) 
(2a+ 3b) ( - (2a + 3b) -1)
Answered by misscutie94
4

Answer:

Question :-

➠ 4a² - 9b² - 2a - 3b

Formula used :-

➪ a² - b²

➭ (a + b) (a - b)

Answer :-

➠ 4a² - 9b² - 2a - 3b

➻ (2a)² - (3b)² - (2a + 3b)

➻ (2a + 3b) (2a - 3b) - (2a + 3b)

➻ (2a + 3b) {(2a - 3b) - 1} [Taking (2a + 3b) common]

➻ (2a + 3b) (2a - 3b - 1)

∴ The value of 4a² - 9b² - 2a - 3b is (2a + 3b) (2a - 3b - 1)

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