SOLUTION: Please factor 6y4-486

Question 24979: Please factor 6y4-486
Found 2 solutions by stanbon, Earlsdon:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Common factor of "6"
6(y^4-81)
=6(y^2-9)(y^2+9)
=6(y-3)(y+3)(y^2+9)
Cheers,
Stan H.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor:
First, factor a 6.
The parentheses contain the difference of two squares.
This can be factored.
Now the is the difference of two squares and can be factored.

Normally we would stop here, but if you are into complex binomials, you can go one step farther. will factor as , so:
would be the complete factorisation.
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