Question

Answer These


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Answer 1

Answer:

1).x+9)x3+13x2+31x-45(x2+4x-5

-x3+9x2

____(-)__

4x2+31x-45

-4x2+36x

_____(-)____

-5x-45

-5x-45

_(+)__(+)________

0

Explantion

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