11)Simplify :x2(x – 3y2) – xy(y2– 2xy) – x(y3– 5x2)
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= x^2 ( x-3y^2 ) - xy( y^2 - 2xy ) - x( y^3 - 5x^2)
= x^3 - 3x^2y^2 - xy^3 + 2x^2y^2 - xy^3 +5x^3
= 6x^3 -2xy^3 - x^2y^2
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12
Answer:
= x^2 ( x-3y^2 ) - xy( y^2 - 2xy ) - x( y^3 - 5x^2)
= x^3 - 3x^2y^2 - xy^3 + 2x^2y^2 - xy^3 +5x^3
= 6x^3 -2xy^3 - x^2y^2
Step-by-step explanation:
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