Q8 of 274 Page 69

Factorize:

x2 – x – 156

We have,



Now by using middle-term splitting, we get


= x2 - 13x + 12x - 156


= x (x - 13) + 12 (x - 13)


= (x - 13) (x + 12)


Hence,


The given expression can be factorized as:



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