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Yisell Yisell
  • 09-06-2016
  • Mathematics
Answered

What is the factored form of x^3-1?

Verified Answer :

johnsonm3
johnsonm3 johnsonm3
  • 09-06-2016

the answer is (x-1)(x^2+x+1)

Answer Link
DodieZollner DodieZollner
  • 24-12-2018

Answer:

\((x-1)(x-(\frac{-1-i\sqrt{3}}{2}))(x+(\frac{-1+i\sqrt{3}}{2}))\)

Step-by-step explanation:

Given equation : \(f(x)=x^3-1\)

To write it's factored form :

⇒ \(x^3-1=0\)

⇒\((x-1)(x^2+x+1)\)

⇒\((x-1)(x-(\frac{-1-i\sqrt{3}}{2}))(x+(\frac{-1+i\sqrt{3}}{2}))\)

⇒\(x=1,x=\frac{-1-i\sqrt{3}}{2}),x=\frac{-1+i\sqrt{3}}{2}\)

⇒\(x=1,\frac{-1-i\sqrt{3}}{2},\frac{-1+i\sqrt{3}}{2}\)

Answer Link

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