Question

Fatore as expressões: 
x³+125
x³-125
1+y³
1-y³
729+8y³
729-8y³

Answer 1

x³+125 = (x+5) (x^2-5 x+25)
x³-125  = (x-5) (x^2+5 x+25)
1+y³      = (y+1) (y^2-y+1)
1-y³       = -(y-1) (y^2+y+1)
729+8y³  = (2 y+9) (4 y^2-18 y+81)
729-8y³  = -((2 y-9) (4 y^2+18 y+81))