Question

factorise 4a^2b - 9b^3​

Answer 1

Answer:

Here's your answer

Step-by-step explanation:

4a²b - 9b³

⇒b(4a² - 9b²)

⇒b[(2x)² - (3b)²]

⇒b(2a - 3b)(2a + 3b) ---- (∵a² - b² = (a + b)(a - b) ]

Hope you understand