SOLUTION: Please solve -4-(1+I)-(5+9i)

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Question 1057507: Please solve
-4-(1+I)-(5+9i)
Found 2 solutions by solve_for_x, ikleyn:
Answer by solve_for_x(190)   (Show Source):
You can put this solution on YOUR website!
There is nothing to "solve" here, but the expression can be simplified:

-4 - (1 + i) - (5 + 9i)

-4 - 1 - i - 5 - 9i

-4 - 1 - 5 - i - 9i

-10 - 10i

-10(1 + i)

Note that I have assumed that "I" and "i" represent the same variable
(usually meant to indicate the root of -1).

Answer by ikleyn(52848)   (Show Source):
You can put this solution on YOUR website!
.
The correct formulation of this assignment is "please SIMPLIFY".

The term "solve" is applied to equations.

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There is a bunch of lessons on complex numbers
    - Complex numbers and arithmetical operations on them
    - Complex plane
    - Addition and subtraction of complex numbers in complex plane
    - Multiplication and division of complex numbers in complex plane
    - Raising a complex number to an integer power
    - How to take a root of a complex number

    - Solved problems on taking roots of complex numbers
    - Solved problems on arithmetic operations on complex numbers
in this site.

Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook.