How do you factor: y=3x3−8x2−x+10?

1 Answer
Nghi N.
Mar 31, 2016

We find that y(2) = 0 when x = 2, then one factor is (x - 2).
After division and checking,
y=(x−2)(3x2−2x−5).
The trinomial in parentheses can be factored.
Since (a - b + c = 0), use shortcut. One factor is (x + 1) and the other is (x−53)
Finally,
y=(x−2)(x+1)(x−53)

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