Question

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Answer 1

Answer:

1) -2a-14b+6c

2) -3a+7b-c

3)  2x^2+xy-5y^2

Answer 2

Answer:

1)2a+14b-6c

Step-by-step explanation:

i)5a+7b-2c -(3a-7b+4c)

=5a+7b-2c-3a+7b-4c

=2a+14b-6c