Question

1. Factorise.
a. 11ab^2-c + 22ab - 11abc​

Answer 1

Answer:

(4a-5b)(2a-3b)

Step-by-step explanation:

8a^2-22ab+15b^2

8a^2-10ab-12ab+15b^2

2a(4a-5b)-3b(4a-5b)

(4a-5b)(2a-3b)