Friday, 2 December 2016

FACTORIZING 2


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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