(x+7)(x+2i)(x+2i)=0

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Solution for (x+7)(x+2i)(x+2i)=0 equation: 


Simplifying
(x + 7)(x + 2i)(x + 2i) = 0

Reorder the terms:
(7 + x)(x + 2i)(x + 2i) = 0

Reorder the terms:
(7 + x)(2i + x)(x + 2i) = 0

Reorder the terms:
(7 + x)(2i + x)(2i + x) = 0

Multiply (7 + x) * (2i + x)
(7(2i + x) + x(2i + x))(2i + x) = 0
((2i * 7 + x * 7) + x(2i + x))(2i + x) = 0
((14i + 7x) + x(2i + x))(2i + x) = 0
(14i + 7x + (2i * x + x * x))(2i + x) = 0
(14i + 7x + (2ix + x2))(2i + x) = 0

Reorder the terms:
(14i + 2ix + 7x + x2)(2i + x) = 0
(14i + 2ix + 7x + x2)(2i + x) = 0

Multiply (14i + 2ix + 7x + x2) * (2i + x)
(14i * (2i + x) + 2ix * (2i + x) + 7x * (2i + x) + x2(2i + x)) = 0
((2i * 14i + x * 14i) + 2ix * (2i + x) + 7x * (2i + x) + x2(2i + x)) = 0

Reorder the terms:
((14ix + 28i2) + 2ix * (2i + x) + 7x * (2i + x) + x2(2i + x)) = 0
((14ix + 28i2) + 2ix * (2i + x) + 7x * (2i + x) + x2(2i + x)) = 0
(14ix + 28i2 + (2i * 2ix + x * 2ix) + 7x * (2i + x) + x2(2i + x)) = 0

Reorder the terms:
(14ix + 28i2 + (2ix2 + 4i2x) + 7x * (2i + x) + x2(2i + x)) = 0
(14ix + 28i2 + (2ix2 + 4i2x) + 7x * (2i + x) + x2(2i + x)) = 0
(14ix + 28i2 + 2ix2 + 4i2x + (2i * 7x + x * 7x) + x2(2i + x)) = 0
(14ix + 28i2 + 2ix2 + 4i2x + (14ix + 7x2) + x2(2i + x)) = 0
(14ix + 28i2 + 2ix2 + 4i2x + 14ix + 7x2 + (2i * x2 + x * x2)) = 0
(14ix + 28i2 + 2ix2 + 4i2x + 14ix + 7x2 + (2ix2 + x3)) = 0

Reorder the terms:
(14ix + 14ix + 2ix2 + 2ix2 + 28i2 + 4i2x + 7x2 + x3) = 0

Combine like terms: 14ix + 14ix = 28ix
(28ix + 2ix2 + 2ix2 + 28i2 + 4i2x + 7x2 + x3) = 0

Combine like terms: 2ix2 + 2ix2 = 4ix2
(28ix + 4ix2 + 28i2 + 4i2x + 7x2 + x3) = 0

Solving
28ix + 4ix2 + 28i2 + 4i2x + 7x2 + x3 = 0

Solving for variable 'i'.

The solution to this equation could not be determined.

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