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I need help please quick

I need help please quick-example-1

1 Answer

3 votes

Answer:

-43

Explanation:


- k {}^(2) - (2k - 7n) + 3n


- ( - 3)^(2) - (2( - 3) - 7( - 4)) + 3( - 4)


- 9 - ( - 6 + 28) - 12


- 9 - 22 - 12


= -43

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