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I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!
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3 votes
I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!

I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!-example-1
User Rukiya
by
5.3k points

1 Answer

3 votes

Answer:

−b4+2b2+35

Explanation:

b2+5)(−b2+7)

=(b2)(−b2)+(b2)(7)+(5)(−b2)+(5)(7)

=−b4+7b2−5b2+35

User Kumar Abhinav
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4.9k points
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