Question

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

Answer 1

Answer: D

Explanation:

Answer 2

For this case we must find the product of the following expressions:

`\frac {3x} {x + 1} * \frac {x} {x-7}`

So:

`\frac {3x ^ 2} {x ^ 2-7x + x-7} =\\\frac {3x ^ 2} {x ^ 2-6x-7}`

So, we have to:

`\frac {3x} {x + 1} * \frac {x} {x-7} = \frac {3x ^ 2} {x ^ 2-6x-7}`

Answer:

`\frac {3x ^ 2} {x ^ 2-6x-7}`

Option C