Anguyennn
  • Anguyennn
How to find x intercept for x^4-4x^2?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Set the y=0 So it would be \[0=x^4-4x^2\] Distribute it \[0=x^2(x^2-4)\] = \[0=x^2(x+2)(x-2)\]
Anguyennn
  • Anguyennn
so would x be -2, 2 and 0?
Anguyennn
  • Anguyennn
does the x^2 count

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anonymous
  • anonymous
Yes it does. Yep, you got it all correct.
Anguyennn
  • Anguyennn
oh and then what about 3x^2-x-2?
anonymous
  • anonymous
\[3x^2-x-2=(3x+2)(x-1)\]
Anguyennn
  • Anguyennn
oh!!!!!
Anguyennn
  • Anguyennn
wow thank you so much
anonymous
  • anonymous
No problem! Good luck on the rest.
Anguyennn
  • Anguyennn
I appreciate it :)
Anguyennn
  • Anguyennn
yes thank you.

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