factorise: 2ycube+ysquare-2y-1
Asked by HIMAJA | 26th Aug, 2012, 12:06: PM
Expert Answer:
2y3 + y2 - 2y - 1
= y2(2y + 1) - (2y + 1)
= (2y + 1) (y2 - 1)
Answered by | 26th Aug, 2012, 06:33: PM
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