Question

(8x^2-y^3)*(3xy-2x^2)

Answer 1

Answer:

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Step-by-step explanation:

Solution:

We have

(i) 3x + 7x = (3 + 7) x = 10x

(ii) -5xy + 9xy = (-5 + 9)xy = 4xy

Answer 2

Answer:

2x^2y^3 - 3xy^4 - 16x^4 + 24x^3y

Step-by-step explanation:

=(8x^2 + -y^3) (3xy + -2x^2)

=(8x^2)(3xy) + (8x^2)(-2x^2) + (-y^3)(3xy) + (-y^3)(-2x^2)

=24x^3y - 16x^4 - 3xy^4 + 2x^2y^3

=2x^2y^3 - 3xy^4 - 16x^4 + 24x^3y