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Factor completely 4x3 + 28x2 + 7x + 49.

Factor completely 4x3 + 28x2 + 7x + 49.
asked 54.4k views
4 votes
Factor completely 4x3 + 28x2 + 7x + 49.

asked
User Aviv
by
7.6k points

2 Answers

6 votes
try grouping in paires

4x^3 + 28x^2 + 7x + 49

= 4x^2(x + 7) + 7(x + 7) - note that (x + 7) is common to the 2 parts, so

= (4x^2 + 7)(x + 7)
answered
User Danielpops
by
7.5k points
1 vote
(x+7) (4x²+7) is the correct answer

answered
User Dpmattingly
by
7.4k points
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