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Solve problems #4 and #5, show each step ( 20 points )
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Solve problems #4 and #5, show each step

( 20 points )

Solve problems #4 and #5, show each step ( 20 points )-example-1
User Athanor
by
5.1k points

1 Answer

4 votes
4.
2(-2)^2=8
-4(-2)(4)=32
2(4)=8

8-32+8=-16


5.
-1^2=-1
(2(-1)-5(-2))=8
4(-2)=-8

-1-8+8=-1
User Orifjon
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5.9k points
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