I need help with this last question!!!!
2 answers:
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Answer:
a= 6
b= -12
Step-by-step explanation:
In complex number algebra, you need to sum the real values with each others and the imaginary values with each others.
In order to determine which number is a real value and which one is an imaginary, we must expand the parenthesis terms:
Now we match real numbers with real numbers and imaginary numbers with imaginary numbers: