Factorize m(2a-b)-2n(b-2a)
MATHEMATICS
WAEC 2002
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 Answer: C. (2a-b)(m+2n)
Explanation
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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