SOLUTION: Solve: y3-9y2+20y=0

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Question 356243: Solve: y3-9y2+20y=0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Hi
.
Solve
y%5E3+-+9y%5E2+%2B+20y+=+0
.
+y%28y%5E2+-+9y+%2B+20%29+=+0
.
y = 0
.
y%5E2+-+9y+%2B+20+=+0
.
(y-4)(y-5) = 0
y = 4
y = 5