0.3x^2+0.7ix+0.5=0

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Solution for 0.3x^2+0.7ix+0.5=0 equation: 


Simplifying
0.3x2 + 0.7ix + 0.5 = 0

Reorder the terms:
0.5 + 0.7ix + 0.3x2 = 0

Solving
0.5 + 0.7ix + 0.3x2 = 0

Solving for variable 'i'.

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

Add '-0.5' to each side of the equation.
0.5 + 0.7ix + -0.5 + 0.3x2 = 0 + -0.5

Reorder the terms:
0.5 + -0.5 + 0.7ix + 0.3x2 = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + 0.7ix + 0.3x2 = 0 + -0.5
0.7ix + 0.3x2 = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
0.7ix + 0.3x2 = -0.5

Add '-0.3x2' to each side of the equation.
0.7ix + 0.3x2 + -0.3x2 = -0.5 + -0.3x2

Combine like terms: 0.3x2 + -0.3x2 = 0.0
0.7ix + 0.0 = -0.5 + -0.3x2
0.7ix = -0.5 + -0.3x2

Divide each side by '0.7x'.
i = -0.7142857143x-1 + -0.4285714286x

Simplifying
i = -0.7142857143x-1 + -0.4285714286x

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