Question

Answer please

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Answer 1

Answer:

1) 4p*q+r

= 4pqr

2) ab*a-b

= a^2b-ab^2

3)a+b*7a^2b^2

= 7a^3b^2 + 7a^2b^3

4) a^2-9*4a

= 4a^3-36a

5) pq+qr+rp*0

= 0

Answer 2

Answer:

hope dear it help u.........

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