lakehubb lakehubb
  • 18-04-2017
  • Mathematics
contestada

Which expression is equivalent to (-2+4i)+(1-7i)-(-8+5i)

-7i
-i
7-8i
-9+2i

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lisee7 lisee7
  • 18-04-2017
7-8i

Add -2+1+8=7
Add 4i-12i= -8i
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