Question

9a² - 4 ab-13b^2
factorise this please asap​

Answer 1

Solution :

Now, 9a² - 4ab - 13b²

= 9a² + (9 - 13) ab - 13b²

= 9a² + 9ab - 13ab - 13b²

= 9a (a + b) - 13b (a + b)

= (a + b) (9a - 13b) ,

which is the required factorization.

Answer 2

Step-by-step explanation:

$\huge\underline\mathfrak\green{Solution}$