One of the factors of mn - nq - n2 mq is m - n ... - WAEC Mathematics 2011 Question
One of the factors of (mn - nq - n2 + mq) is (m - n). The other factor is
A
(n - q)
B
(q - n)
C
(n + q)
D
(q - m)
correct option: a
mn - nq - n2 + mq
mn - n2 - nq + mq
(mn - n) - (nq - mq)
n(m - n) - q(n - m)
= n - q
mn - n2 - nq + mq
(mn - n) - (nq - mq)
n(m - n) - q(n - m)
= n - q
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