Math, asked by nilammankar834, 3 months ago

Q1. Add: (3x2y - 5xy + 7) and (- 9x2y – 5xy - 3)

Answers

Answered by reeyainfotech

0

Answer:

3×2y-5xy+7+(-9x2y-5xy-3)

=3×2y-5xy+7-9×2y-5xy-3

=6y-5xy+7-18y-5xy-3

=6y-12xy-18y-5xy-3

=6y-18y-12xy-5xy-3

=12y-7xy-3(ans)

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