SOLUTION: For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ?
Algebra
->
Radicals
-> SOLUTION: For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ?
Log On
Algebra: Radicals -- complicated equations involving roots
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Radicals
Question 1009310
:
For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ?
Answer by
fractalier(6550)
(
Show Source
):
You can
put this solution on YOUR website!
For 3i(2 + 5i) = x + 6i, we have
3i(2 + 5i) = 6i + 15i^2 = -15 + 6i
so x = -15