Answer:
they are both divisible by 3
7 x 3 = 21
5 x 3 = 15
Step-by-step explanation:
hope this helps lucas (mr. calvelo)
Hey there!
We have:
Let me know if this helps :)
not a factor
If (x - 3) is a factor then f(3) = 0
f(x) = 2x² - 4x + 30
f(3) = 2(3)² - 4(3) + 30 = 18 - 12 + 30 = 36 ≠ 0
Since f(3) ≠ 0 then (x - 3) is not a factor of f(x)
yes