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anonymous

  • 5 years ago

wait why did you factor out a y?

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  1. amistre64
    • 5 years ago
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    to show you that they can be added

  2. anonymous
    • 5 years ago
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    Hmmm im still confused lol..

  3. amistre64
    • 5 years ago
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    i went from one point to another using albegraic techniques to prove my point lol

  4. amistre64
    • 5 years ago
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    what happens when we factor out an x? x(y+y) = x(2y) = 2xy ; same result xy + yx = 2xy

  5. anonymous
    • 5 years ago
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    ohh ok i got it. so it doesnt matter what order its in

  6. amistre64
    • 5 years ago
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    nope; doesnt matter

  7. anonymous
    • 5 years ago
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    \[3\times 7 = 7 \times 3\] so \[3 \times 7 + 7 \times 3 = 2\times 7 \times 3\] in other words there is no difference between xy and yx so you can add them.

  8. anonymous
    • 5 years ago
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    ok because my real question is can you add sinxcox+cosxsinx?

  9. amistre64
    • 5 years ago
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    yes

  10. amistre64
    • 5 years ago
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    2sincos

  11. anonymous
    • 5 years ago
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    Figured ok. thanks are you a student or a teacher?

  12. amistre64
    • 5 years ago
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    im studying to be a teacher :)

  13. anonymous
    • 5 years ago
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    omg thats cool i would like to be a teacher myself. good idea for practice

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spraguer (Moderator)
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