Math, asked by hadiawaheed231, 5 months ago

please solve these two questions

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Answers

Answered by reenasonar83

1

Answer:

1. (2b+4a-6)-(7+9a-7b)

=2b+4a-6-7-9a+7b

=2b+7b+4a-9a-6-7

=9b-5a-13

2. (3x^2+10)-(-4x^2+7x+1)

=3x^2+10+4x^2-7x-1

=3x^2+4x^2-7x+10-1

=7x^2-7x+9

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