Answers

2014-03-18T23:35:54+05:30
X^2-10x+21 By spliting the middle term x^2-(7+3)x+21 x^2-7x-3x+21 x(x-7)-3(x-7) (x-7)(x-3)
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2014-03-18T23:56:05+05:30
The correct factorization is as under :

100x2-10+21 = 211
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