Question

Factorise : 4a^2 - 9b^2- 2a - 3b

Answer 1

Step-by-step explanation:

⭐4a² - 9b² - 2a -3b

=》 (4a²-2a) +(-9b² -3b)

=》2a (2a-1) -3b (3b - 1)

=》(2a-3b) (2a-1+3b - 1)

=》 (2a+3b) (2a+ 3b -1)

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Answer 2

4a^2 - 9b^2- 2a - 3b

=

$4{a}^{2} - 2a - 9 {b}^{2} - 3b \\ = (4 {a}^{2} - 2a) - (9 {b}^{2} + b)$