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OpenStudy (anonymous):
Which of the following is a factor of 9a^2 + 12a/ 21a^2 + 28a A. 3 B. 7 C. 3a + 4 D. a2
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OpenStudy (anonymous):
A
OpenStudy (campbell_st):
lol... how is 3 a factor of 28...?
OpenStudy (campbell_st):
factor it \[\frac{3a(3a + 4)}{7a(3a + 4)}\] that may help
OpenStudy (anonymous):
NO!!. Sh###. You are right
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