Question

How to expand `(4x-3)(2a+5)`?

Answer 1

`8ax+20x-6a-15`

Explanation:

`(4x-3)(2a+5)`

Expand the first parentheses,

`4x(2a+5)-3(2a+5)`

Expand the second parentheses by multiplying,

`8ax+20x-6a-15`