FACTORISE:

x4-125xy3

   x4 - 125 xy3

= x (x3-125 y3)

=  x [x3- (5y)3]

= x ( x - 5y ) (x2 + 25y2 + 5xy)

  • 21

x4-125xy3

x(x3-125y3)

x{x3-(5y)3}

x{(x-5y)(x2+25y2-5xy)}

  • 3
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