Factorise 2y³+y²-2y-1
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solution is given this photo chek it
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ysquare(2y+1)-1 (2y+1)
(2y+1)(y square-1)
2y=-1, y square=1
y=-1÷2 , y = root 1
(2y+1)(y square-1)
2y=-1, y square=1
y=-1÷2 , y = root 1
crsharma:
thanks
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