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Mathematics, 19.09.2019 22:30 nickname9154
Omar grouped the terms and factored the gcf out of the groups of the polynomial 3x3 – 15x2 – 4x + 20. his work is shown.
step 1: (3x3 – 15x2) + (–4x + 20)
step 2: 3x2(x – 5) + 4(–x + 5)
omar noticed that he does not have a common factor. which accurately describes what omar should do next?
a: omar should realize that his work shows that the polynomial is prime.
b: omar should go back and regroup the terms in step 1 as (3x3 – 15x2) – (4x + 20).
c: in step 2, omar should factor only out of the first expression.
d: omar should factor out a negative from one of the groups so the binomials will be the same.
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Omar grouped the terms and factored the gcf out of the groups of the polynomial 3x3 – 15x2 – 4x + 20...
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