Question

Factorize:
a) x3 – 3x2 – 9x – 5

Answer 1

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a) x³ -3x² - 9x -5

= x³ - 1³ -5 -3x² -9x -5

= (x-1)³

=(x-1)(x-1)(x-1)

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Answer 2

Answer:

= x^3 - 3×2 -9x -5

= x^3 -6 - 9x -5

= x^3 -9x -6-5

= x^3- 9x-11