Factorize m 2a-b -2n b-2a - WAEC Mathematics 2002 Question
Factorize m(2a-b)-2n(b-2a)
A
(2a-b)(2n-m)
B
(2a+b)(m-2n)
C
(2a-b)(m+2n)
D
(2a-b)(m-2n)
correct option: c
m(2a - b) - 2n(b - 2a)
= m(2a - b) - (-2n)(2a - b)
= m(2a - b) + 2n(2a - b)
= (m + 2n)(2a - b)
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