**(i) x ^{2} + 5x + 6**

**(ii) x ^{2} – 8x + 7**

**Answer :**

**(i) x**^{2} + 5x + 6

^{2}+ 5x + 6

x^{2} + 3x + 2x + 6

Take out common in all terms we get,

x(x + 3) + 2 (x + 3)

(x + 3) (x + 2)

**(ii) x**^{2} – 8x + 7

^{2}– 8x + 7

x^{2} – 8x + 7

x^{2} – 7x – x + 7

Take out common in all terms we get,

x(x – 7) – 1(x – 7)

(x – 7) (x – 1)

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