Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
Polynomial PSAT Practice Test Question
p(x) = 3(x^2 + 10x + 5) - 5(x - k)
In the polynomial p(x) defined above, k is a constant. If p(x) is divisible by x, what is the value of k?
A) -3 B)-2 C)0 D)3
And please explain how you got the answer, like what method you went through to get the answer.