Factorise :
(i) x3
– 2x2
– x + 2 (ii) x3
– 3x2
– 9x – 5
(iii) x3
+ 13x2 + 32x + 20 (iv) 2y3
+ y2
– 2y – 1
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3
0
5
9
6
890
890
969
04
247
279
014
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