Question

What are the zeros of the polynomial function: f(x) = (x - 4)(2x + 1)(x + 7)?

Answer 1

you have already done it yourself
(x - 4)(2x + 1)(x + 7) = 0 for what value of x?

Answer 2

Either \(x - 4 = 0 \quad \Rightarrow \quad x = 0 + 4 \). Or \(2x + 1 = 0 \quad \Rightarrow \quad \cdots\)

Answer 3

put each factor separately equal to 0 and try finding the answer just as @ParthKohli has done

Answer 4

\[4, -\frac{ 1 }{ 2 }, and -7\] right?

Answer 5

Yes.

Answer 6

Thanks for the help!

Answer 7

No problem!