Q9 : Factorize: x * (x + y) ^ 3 - 3x ^ 2 * y * (x + y)
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Answer:
x=0
y=0
Step-by-step explanation:
=x(x+y)^3-3x^2(xy+y^2)
=x^4+xy^3+3x^y+3x^2y^2_3x^3y_3x^2y^2
=x(x^3-y^3)=0
x=0,y=0
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