Which of the following is a factor of 5x3 − 135
a. 5
b. x + 3
c. x2 − 3x + 9
d. all of the above

15 points ! ~ see if you know the answer to both you!

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Factor the polynomial expression x6 – x3 – 20