Question

14.
Subtract 9xy(2x2-3) from 15x2(xy + 5)

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Answer 1

Ans:- 15x2(xy + 5) - 9xy(2x2-3)

= 15x^3y + 75x^2 - 18x^3y + 27xy

= - 3x^3y + 75x^2 + 27xy

= -3x(x^2y - 25x - 9y)

here is your answer

hope it will help you