What’s the answer and how?

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asked Jan 14, 2018 96.2k views

1 Answer

Nicknystrom · Answer 1 · 2018-01-18T18:55:30+0000

First distribute
=(k)(k)+(k)(−9)+(−4)(k)+(−4)(−9)=k2+−9k+−4k+36

Combine Like Terms:=k2+−9k+−4k+36=(k2)+(−9k+−4k)+(36)=k2+−13k+36

The answer is k^2-13k+36

What’s the answer and how?

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