Question

Refer to the pic and solve this question
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Answer 1

Answer:

a) =6.25p2- 7.5pq+2.25q2-(2.25p2- 7.5pr +6.25q2)

=6.25p2-7.5pq+ 2.25q2- 2.25p2+ 7.5pq-6.25q2.

=4p2-4q2.

b) =a8-b8

Step-by-step explanation:

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Answer 2

Refer To Attachments Above⬆️

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