SOLUTION: For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ? A. –15 B. 5 C. 5i D. 15i E. 27i

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ? A. –15 B. 5 C. 5i D. 15i E. 27i      Log On


   

Question 935053: For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ?
A. –15
B. 5
C. 5i
D. 15i
E. 27i
Found 2 solutions by stanbon, josgarithmetic:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
For i = the square root of -1,
if 3i (2 + 5i) = x + 6i, then x = ?
-------
6i - 15 = x + 6i
----------
x = -15
------------------
Cheers,
Stan H.


A. –15
B. 5
C. 5i
D. 15i
E. 27i

Answer by josgarithmetic(39617) About Me  (Show Source):