15x^2-23x-21 /3x-7

Answer 1

What about it ?
did you mean
(15x^2-23x-21) / (3x-7) ?

are we graphing y = (15x^2-23x-21) / (3x-7) ?

are we solving (15x^2-23x-21) / (3x-7) = 0 ?

Answer 2

In any case, wolframalpha.com is your friend. It can confirm the results you get through your hard work:

http://www.wolframalpha.com/input/?i=%2815x^2-23x-21%29+%2F+%283x-7%29