DeadShot
  • DeadShot
What are the zeros of the polynomial function: f(x) = (x - 4)(2x + 1)(x + 7)?
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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harsimran_hs4
  • harsimran_hs4
you have already done it yourself (x - 4)(2x + 1)(x + 7) = 0 for what value of x?
ParthKohli
  • ParthKohli
Either \(x - 4 = 0 \quad \Rightarrow \quad x = 0 + 4 \). Or \(2x + 1 = 0 \quad \Rightarrow \quad \cdots\)
harsimran_hs4
  • harsimran_hs4
put each factor separately equal to 0 and try finding the answer just as @ParthKohli has done

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DeadShot
  • DeadShot
\[4, -\frac{ 1 }{ 2 }, and -7\] right?
ParthKohli
  • ParthKohli
Yes.
DeadShot
  • DeadShot
Thanks for the help!
ParthKohli
  • ParthKohli
No problem!

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