Factorize completely qm + qr - mr - m2.
Solution
= qm + qr - mr - m2.
= (qm + qr) – (mr - m2).
[Grouping the factors]
= q(m + r) - m(r + m). [after factoring out]
= (m + r)(q - m).
Hence qm + qr - mr - m2.
= (m + r)(q - m).
TRY THIS..................
NECTA
1995 QN. 20a
Factorize completely pq + pr - rq -
q2.
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