(-4-i)-(4+5i)=

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Solution for (-4-i)-(4+5i)= equation:


Simplifying
(-4 + -1i) + -1(4 + 5i) = 0

Remove parenthesis around (-4 + -1i)
-4 + -1i + -1(4 + 5i) = 0
-4 + -1i + (4 * -1 + 5i * -1) = 0
-4 + -1i + (-4 + -5i) = 0

Reorder the terms:
-4 + -4 + -1i + -5i = 0

Combine like terms: -4 + -4 = -8
-8 + -1i + -5i = 0

Combine like terms: -1i + -5i = -6i
-8 + -6i = 0

Solving
-8 + -6i = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -6i = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -6i = 0 + 8
-6i = 0 + 8

Combine like terms: 0 + 8 = 8
-6i = 8

Divide each side by '-6'.
i = -1.333333333

Simplifying
i = -1.333333333

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