SOLUTION: For i= √-1, if 3i(2+5i)= x+6i, then x=

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Question 135692: For i= √-1, if 3i(2+5i)= x+6i, then x=
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Given: 3i%282%2B5i%29=+x%2B6i
6i+%2B15i%5E2+=+x+%2B+6i
6i+-+15+=+x+%2B+6i
x = -15