(m + n) (___) = 5 ma + mb + 5na + nb – McqOptions

MCQOPTIONS

1.	(m + n) (___) = 5 ma + mb + 5na + nb
A.	5a + b
B.	5a - b
C.	a + 5b
D.	a - 5b
Answer» B. 5a - b

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