5. Factorise:
(1) r-2x2-x+2
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Answer:
i) x3 - 2x2 - x + 2
(ii) x3 - 3x2 - 9x - 5
(iii) x3 + 13x2 + 32x + 20
(iv) 2y3 + y2 - 2y - 1
Questoin 5. Factorise :
(i) x3 - 2x2 - x + 2
(ii) x3 - 3x2 - 9x - 5
(iii) x3 + 13x2 + 32x + 20
(iv) 2y3 + y2 - 2y - 1
Solution: (i) x3 - 2x2 - x + 2
Explanation:
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