Question

Simplify 7x 42 / x^2 13x 42

Answer 1

`(7x 42)/(x^(2)13x42 ) = (7x)/( x^(2) 13x) = (7x)/(13 x^(3) ) = (7)/(13 x^(2) )`

The answer is
`(7)/(13 x^(2) )`

Answer 2

That is not an answer choice...

Here is the answer 7/x+7

Now here is why: You have to use your box method to find out the 2 x's that fit together for the quadratic that is in the denominator. From what I did I got (x+6)(x+7). Now simplifying the numerator is just simply 7(x+6). Now both the numerator and the denominator have the factor (x+6) so you simply cancel, or "cross" them out of the problem. Now you are left with 7/x+7.

Your welcome :)