Question

Q. 3 Find each of the following products :-
(7ab+5 ) (6ab+3)​

Answer 1

Answer:

7ab+5+6ab+3

match like terms

7ab+6ab+5+3

13ab+8

Answer 2

Answer:

(7ab+5 ) (6ab+3)

= 7ab (6ab+3) + 5 (6ab+3)

= 42a²b² + 21ab + 30ab + 15

= 42a²b² + 51ab + 15

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