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Omar noticed that he does not have a common factor. Which accurately describes what Omar should do next?Omar should realize that

Posted on October 22, 2021 By Mayachojnicki 1 Comment on Omar noticed that he does not have a common factor. Which accurately describes what Omar should do next?Omar should realize that

Omar noticed that he does not have a common factor. Which accurately describes what Omar should do next? Omar should realize that his work shows that the polynomial is prime.
Omar should go back and regroup the terms in Step 1 as (3x3 – 15x2) – (4x + 20).
In Step 2, Omar should factor only out of the first expression.
Omar should factor out a negative from one of the groups so the binomials will be the same.

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Comment (1) on “Omar noticed that he does not have a common factor. Which accurately describes what Omar should do next?Omar should realize that”

  1. NoireDemon says:
    October 23, 2021 at 10:10 am

    2nd option

    Step-by-step explanation:

    Given

    3x³ - 15x² - 4x + 20

    step 1 ( group the first/second and third/fourth terms )

    (3x³ - 15x² ) + (- 4x + 20)

    step  2 ( factor each group )

    3x² (x - 5) - 4(x - 5) ← note factor of - 4 ( not + 4 )

    step 3 ( factor out (x - 5) from each term )

    (x - 5)(3x² - 4)

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