SOLUTION: HI ! Could you tell me if my answers are correct? #1. (-7-5i)-(12-11i) would the answer be -19+6i ? #2. (4+i)(-3+4i) would the answer be -16+13i ? #3. (1+2i) over (6-8i) wou

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Question 1041241: HI ! Could you tell me if my answers are correct?
#1. (-7-5i)-(12-11i) would the answer be -19+6i ?
#2. (4+i)(-3+4i) would the answer be -16+13i ?
#3. (1+2i) over (6-8i) would the answer be 22 over 100 + 20 over 100 i
Thank you so much

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
# 1) Correct

# 2) Correct

# 3) The answer is actually . See below


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Steps for # 3





Multiply by which is a fancy form of 1


Combine fractions


Expand


Square each term


Use the idea that








Break up the fraction


Reduce




So is equivalent to

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So again, the answer for problem #3 is

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