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OpenStudy (anonymous):
-3i + 2i = -1i ?!
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OpenStudy (anonymous):
a valid statement, yes.
OpenStudy (anonymous):
Yes your solvation is right...
OpenStudy (anonymous):
Just like addition or subtraction of two like terms..
OpenStudy (phi):
you can treat i just like "x" (except that i*i simplifies to -1) so -3x + 2x= -x no mystery, right?
OpenStudy (anonymous):
Yeah, I just just thinking that.. \[i = \sqrt{-1}\] So, the answer would be -i
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OpenStudy (anonymous):
Yes..
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