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sakigirl Group Title

How do you factor this? (Algebra 3)

  • 2 years ago
  • 2 years ago

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  1. sakigirl Group Title
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    \[16x ^{3}-64x ^{2}\]

    • 2 years ago
  2. slaaibak Group Title
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    hint: common factor will be 16 and x^2

    • 2 years ago
  3. sakigirl Group Title
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    I did that, but there are more steps to just that isn't there?

    • 2 years ago
  4. asnaseer Group Title
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    thats all there is - why don't you write out what you got and we can check if its correct?

    • 2 years ago
  5. aussy123 Group Title
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    think of there GCF, which is 16x2 then think about how you will get 64x^2 SO what do 16x^3 and 64x^2 have in common? x and 4 right!! so the you basically you get \[16x^2(x-4)\] Then you can check to see if thats right by using the distributive property!!

    • 2 years ago
  6. sakigirl Group Title
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    That's it? My teacher taught us to bracket our answers, and it just really confused me.

    • 2 years ago
  7. aussy123 Group Title
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    yea basically....if you have more problems you can just visit purplemath.com

    • 2 years ago
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spraguer (Moderator)
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