hibajebin
hibajebin
25-03-2018
Mathematics
contestada
factorize x (x-y)^3 +3x^2y (x-y)
Respuesta :
Аноним
Аноним
25-03-2018
[tex]x(x-y)^3 +3x^2y(x-y)[/tex] ←Take out common factor x(x-y)
[tex]= x(x-y) [(x-y)^2 + 3xy][/tex] ← Apply (a-b)² = a² + 2ab + b²
[tex]= x(x-y) [x^2 -2xy + y^2 + 3xy] [/tex] ← Combine like terms
[tex]= x(x-y)(x^2 - xy + y^2)[/tex]
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