factories: 3y^3 + y^2 - 3y - 1
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You can understand that y = 1 satisfies it.
y -1 is a root
divide the polynomial by y-1
You will get 3y^2+4y+1
Factorise it the factors are (3y+1)(y+1)
P(x)= (y-1) (3y+1)(y+1)
y -1 is a root
divide the polynomial by y-1
You will get 3y^2+4y+1
Factorise it the factors are (3y+1)(y+1)
P(x)= (y-1) (3y+1)(y+1)
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