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4. Factor the expression. 4b2 + 28b + 49 QA (2b + 7)2 OB (2b - 72 C (-2b + 7)2 OD 2(b - 7)2​

4. Factor the expression. 4b2 + 28b + 49 QA (2b + 7)2 OB (2b - 72 C (-2b + 7)2 OD 2(b - 7)2​
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5 votes
4. Factor the expression.

4b2 + 28b + 49
QA (2b + 7)2
OB (2b - 72
C (-2b + 7)2
OD 2(b - 7)2​

User Werner
by
8.2k points

1 Answer

6 votes

Answer:

A.
(2b+7)^2

Explanation:


4b^2 +28b + 49\\=(2b)^2 + 2* 2b* 7 + (7)^2\\=(2b+7)^2

User Davivid
by
7.8k points
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