Two mark exercise problems XI — task. Mathematics State Board, Class 9.

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Answer variants:

(m + \frac{1}{m} + 5) (m + \frac{1}{m} - 5)

{(m + \frac{1}{m} - 5)}^{2}

6 [1 - 12 x + {36 x}^{2}]

(a - \frac{1}{a} + 4) (a - \frac{1}{a} - 4)

{(a - \frac{1}{a} - 4)}^{2}

6 [(1 + 6 x) (1 - 6 x)]

Factorize the following:

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22. Two mark exercise problems XI