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anonymous

  • one year ago

Can someone help me with factoring for a medal?

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  1. anonymous
    • one year ago
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    Factor completely 2x^2 + 2x − 24.

  2. acxbox22
    • one year ago
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    first simplify it by taking out a common factor

  3. anonymous
    • one year ago
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    So 2, then?

  4. acxbox22
    • one year ago
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    yes divide the whole expression by 2 so it will be easier to factor

  5. anonymous
    • one year ago
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    Alright, so I got x^2 + x - 12

  6. acxbox22
    • one year ago
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    looks good now you look for two numbers that when multiplied together give you -12 but when added together give you 1

  7. anonymous
    • one year ago
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    Why 1?

  8. acxbox22
    • one year ago
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    1 is the coefficient for x

  9. anonymous
    • one year ago
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    Ah, okay. Give me a minute

  10. anonymous
    • one year ago
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    4 and -3?

  11. acxbox22
    • one year ago
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    yep now you put it into the blanks here |dw:1434582773871:dw|

  12. anonymous
    • one year ago
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    So will there always be a set of parenthesis with a + and the other with a -?

  13. acxbox22
    • one year ago
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    no, only in this case since there is NEGATIVE 3 and POSITIVE 4

  14. anonymous
    • one year ago
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    Oh, okay. Thank you so much for walking me through this!

  15. acxbox22
    • one year ago
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    no problem :)

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