(9+i)-6i(7-12i)=

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Solution for (9+i)-6i(7-12i)= equation:


Simplifying
(9 + i) + -6i(7 + -12i) = 0

Remove parenthesis around (9 + i)
9 + i + -6i(7 + -12i) = 0
9 + i + (7 * -6i + -12i * -6i) = 0
9 + i + (-42i + 72i2) = 0

Combine like terms: i + -42i = -41i
9 + -41i + 72i2 = 0

Solving
9 + -41i + 72i2 = 0

Solving for variable 'i'.

Begin completing the square.  Divide all terms by
72 the coefficient of the squared term: 

Divide each side by '72'.
0.125 + -0.5694444444i + i2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + -0.5694444444i + -0.125 + i2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + -0.5694444444i + i2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + -0.5694444444i + i2 = 0 + -0.125
-0.5694444444i + i2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
-0.5694444444i + i2 = -0.125

The i term is -0.5694444444i.  Take half its coefficient (-0.2847222222).
Square it (0.08106674381) and add it to both sides.

Add '0.08106674381' to each side of the equation.
-0.5694444444i + 0.08106674381 + i2 = -0.125 + 0.08106674381

Reorder the terms:
0.08106674381 + -0.5694444444i + i2 = -0.125 + 0.08106674381

Combine like terms: -0.125 + 0.08106674381 = -0.04393325619
0.08106674381 + -0.5694444444i + i2 = -0.04393325619

Factor a perfect square on the left side:
(i + -0.2847222222)(i + -0.2847222222) = -0.04393325619

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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