5i+7i*i=

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Solution for 5i+7i*i= equation: 


Simplifying
5i + 7i * i = 0

Multiply i * i
5i + 7i2 = 0

Solving
5i + 7i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), 'i'.
i(5 + 7i) = 0


Subproblem 1
Set the factor 'i' equal to zero and attempt to solve:

Simplifying
i = 0

Solving
i = 0

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

Simplifying
i = 0

Subproblem 2
Set the factor '(5 + 7i)' equal to zero and attempt to solve:

Simplifying
5 + 7i = 0

Solving
5 + 7i = 0

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

Add '-5' to each side of the equation.
5 + -5 + 7i = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7i = 0 + -5
7i = 0 + -5

Combine like terms: 0 + -5 = -5
7i = -5

Divide each side by '7'.
i = -0.7142857143

Simplifying
i = -0.7142857143
Solution
i = {0, -0.7142857143}

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