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anonymous

  • one year ago

factor completely: 36a^2 - 24a + 4

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  1. jagr2713
    • one year ago
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    Hey @lauraoar First we need to find the GCF. What is the largest number that divides evenly into 36a2, −24a, and 4?

  2. anonymous
    • one year ago
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    4?

  3. jagr2713
    • one year ago
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    Correct What is the highest degree of a that divides evenly into 36a2, −24a, and 4?

  4. anonymous
    • one year ago
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    2?

  5. jagr2713
    • one year ago
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    Nope try again

  6. jagr2713
    • one year ago
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    Is A in every term?

  7. anonymous
    • one year ago
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    nope

  8. jagr2713
    • one year ago
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    So there is none :D So the GCF=?

  9. anonymous
    • one year ago
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    4?

  10. anonymous
    • one year ago
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    is the answer 4(3a-1)^2

  11. jagr2713
    • one year ago
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    Good :D So now we have the GCF and now we have to factor out the GCF. Put the GCF as the first term Then, in parentheses, divide each term by the GCF so we have \[4(\frac{ 36a ^{2} }{ 4 }+\frac{ -24a }{ 4 }+\frac{ 4 }{ 4 })\]

  12. jagr2713
    • one year ago
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    Now we simplify each term in the parentheses. What do we get @lauraoar

  13. anonymous
    • one year ago
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    4(9a+-6a+1)?

  14. jagr2713
    • one year ago
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    i see you have +- the -24 is negative and we divided so it goes negative. And dont forget the a2 4(9a2-6a+1)

  15. jagr2713
    • one year ago
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    a2−2ab+b2 Rewrite it where a=3a and b=1 plug it in

  16. anonymous
    • one year ago
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    you could of used the quadratic formula

  17. jagr2713
    • one year ago
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    what do we get @lauraoar

  18. jagr2713
    • one year ago
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    @lauraoar did u get the answer or?

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