ChiziteluD166325 ChiziteluD166325
  • 25-10-2022
  • Mathematics
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I need help on this Homework question and also please give the steps on what lead to the answer.

I need help on this Homework question and also please give the steps on what lead to the answer class=

Respuesta :

ParleyG601152 ParleyG601152
  • 25-10-2022

The function is given by:

[tex]f(x)=x(x^2+7)(x^2-8)[/tex]

The three quantities are zero then it follows:

[tex]\begin{gathered} x=0;x^2+7=0;x^2-8=0 \\ x=0;x^2=-7;x^2=8 \\ x=0,x=\pm\sqrt[]{7}i;x=\pm2\sqrt[]{2} \end{gathered}[/tex]

Option D is correct.

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