(i) x2 + 5x + 6
(ii) x2 – 8x + 7
Answer :
(i) x2 + 5x + 6
x2 + 3x + 2x + 6
Take out common in all terms we get,
x(x + 3) + 2 (x + 3)
(x + 3) (x + 2)
(ii) x2 – 8x + 7
x2 – 8x + 7
x2 – 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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