Question

Simplify : (a+2b)(7a-3b)0​

Answer 1

7
`a^(2)`-4ab-6
`b^(2)`

Explanation:

(a+2b)(7a-3b)

7
`a^(2)`-3ab+7ab-6
`b^(2)`

7
`a^(2)`-4ab-6
`b^(2)`