Question

(Find the addition of following):-
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Answer 1

Answer:

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Step-by-step explanation:

5X²Y-6X²Y-9X²Y+5XY²-5XY²

-10X²Y

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Answer 2

=5x2y + ( -6x2y) + (-9x2y) + 5x2y + (-5x2y)

=5x2y - 6x2y - 9x2y

=5x2y - 15x2y

= -10x2y

{ here x2y means x square into y}

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