Question

Multiply each of the following(2x - 3y) and (x + 5y)​

Answer 1

`2 {x}^(2) + 7xy - 15 {y}^(2)`

Explanation:

We can use the rainbow expansion method to find the expression.

`(2x - 3y)(x + 5y) \\ = 2 {x}^(2) + 10xy - 3xy - 15 {y}^(2) \\ = 2 {x}^(2) + 7xy - 15 {y}^(2)`