nicole77140 nicole77140
  • 21-09-2020
  • Mathematics
contestada

Solve problems #4 and #5, show each step

( 20 points )

Solve problems 4 and 5 show each step 20 points class=

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paigelyday paigelyday
  • 21-09-2020
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
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