Question

sub 4p2+5q2-br2+7 from 3p2-4q2-5r2-b​

Answer 1

Answer:

4p2+5q2-br2+7

3p2-4q2-br2-5

- + + +

___________

1p2+9q2+0+12

___________

Step-by-step explanation:

so this is your answer

Answer 2

Answer:

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