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valentina_108 [34]
3 years ago
9

Simplify the expression (-2+4i)-(2+7i) I am not great at these--

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0

( - 2 + 4i) - (2 + 7i) \\ ( - 2 + 4i) + ( - 2 - 7i) \\  - 2 + ( - 2) =  - 4 \\ 4i + ( - 7i) =  - 3i \\  - 4 - 3i
Gre4nikov [31]3 years ago
3 0
(-2+4i)-(2+7i)
-2+4i+(-2-7i)
Remove ( )
-2+4i+-2-7i
-4+4i-7i
-4-3i Is the answer. Nope this helps.
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