Hindi, asked by ridabhpant, 3 months ago

Simplify:-
(2x2y-4y2x+3xy-4)-(13y2x-2x2y+1)-(xy-11x2y-4)

Answers

Answered by arpithmenon2018

0

We have

− 2(x2 − y2 + xy) − 3(x2 + y2 − xy)

Since the '-' sign precedes the parentheses, we have to change the sign of each term in the parentheses when we remove them.

= - 2x2 + 2y2 - 2xy - 3x2 - 3y2 + 3xy

= - 2x2 - 3x2 + 2y2- 3y2 - 2xy + 3xy

= - 5x2 - y2 + xy

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