(-3-2i)-(12-5i)=

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Solution for (-3-2i)-(12-5i)= equation:


Simplifying
(-3 + -2i) + -1(12 + -5i) = 0

Remove parenthesis around (-3 + -2i)
-3 + -2i + -1(12 + -5i) = 0
-3 + -2i + (12 * -1 + -5i * -1) = 0
-3 + -2i + (-12 + 5i) = 0

Reorder the terms:
-3 + -12 + -2i + 5i = 0

Combine like terms: -3 + -12 = -15
-15 + -2i + 5i = 0

Combine like terms: -2i + 5i = 3i
-15 + 3i = 0

Solving
-15 + 3i = 0

Solving for variable 'i'.

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

Add '15' to each side of the equation.
-15 + 15 + 3i = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 3i = 0 + 15
3i = 0 + 15

Combine like terms: 0 + 15 = 15
3i = 15

Divide each side by '3'.
i = 5

Simplifying
i = 5

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