Question

factorize -y^3-7y+6.
please use trial and error method
then long division
and then substitute.​

Answer 1

Answer:

-y³ - 7y + 6

-y³ - 6y - y + 6

- (y³ - 6y) - (y + 6)

-y(y + 6) - 1(y + 6)

(y + 6) (-y - 1).

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