Question

How do you multiply `(3x + 8) ( 5y - 9)`?

Answer 1

See a solution process below:

Explanation:

To multiply these two terms you multiply each individual term in the left parenthesis by each individual term in the right parenthesis.

`(color(red)(3x) + color(red)(8))(color(blue)(5y) - color(blue)(9))` becomes:

`(color(red)(3x) xx color(blue)(5y)) - (color(red)(3x) xx color(blue)(9)) + (color(red)(8) xx color(blue)(5y)) - (color(red)(8) xx color(blue)(9))`

`15xy - 27x + 40y - 72`