Factor y^6 + 124y^3 - 125

[AshyLarry]

Y^6+124Y^3-125

the ^ means to the power of
asks to factor

help

 

[AKG]

Substitute X = Y³

 

[HallsofIvy]

AKG's suggestion, replace Y³ with X is the best start. Once you do that you will have X²+ 124X- 125 (because Y⁶= (Y³)²), To factor that, think about the different possible ways to factor 125.
(And don't forget to put Y³ back into the answer in place of X.)