Question

Which of the following is the product of the rational expression shown below

Answer 1

B

Explanation:

`(x)/(x-3)` ×
`(2x)/(x+5)` ( no factors cancel on numerator / denominator )

=
`(x(2x))/((x-3)(x+5))`

=
`(2x^2)/(x^2+2x-15)`