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

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: For i = , if 3i (2 + 5i) = x + 6i, then x = ?      Log On


   

Question 366315: For i = , if 3i (2 + 5i) = x + 6i, then x = ?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
If 3i (2 + 5i) = x + 6i, then x = ?

6i + 15i^2 = x + 6i

6i + 15(-1) = x + 6i

6i - 15 = x + 6i

-15 = x + 6i - 6i

-15 = x

Done!