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Mathematics 17 Online
OpenStudy (dj3strella):

Help 4u^2 + 28u + 49 (2u + 4)^2 (2u + 7)^2 (4u – 7)^2 2(2u + 7)^2

OpenStudy (anonymous):

(2u + 7)^2

OpenStudy (dj3strella):

i know what it is good job

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