Resolve the following quadratic trinomial into factors
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Resolve the following quadratic trinomial into factors :
(x−2y)2−5(x−2y)+6
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Right Answer is:
SOLUTION
(x−2y)2−5(x−2y)+6 {∵ 6=−3×−2−5=−3−2}=(x−2y)2−3(x−2y)−2(x−2y)+6=(x−2y)(x−2y−3)−2(x−2y−3)=(x−2y−3)(x−2y−2)