4x^3+5ix^2+36x+45=0

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Solution for 4x^3+5ix^2+36x+45=0 equation:


Simplifying
4x3 + 5ix2 + 36x + 45 = 0

Reorder the terms:
45 + 5ix2 + 36x + 4x3 = 0

Solving
45 + 5ix2 + 36x + 4x3 = 0

Solving for variable 'i'.

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

Add '-45' to each side of the equation.
45 + 5ix2 + 36x + -45 + 4x3 = 0 + -45

Reorder the terms:
45 + -45 + 5ix2 + 36x + 4x3 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 5ix2 + 36x + 4x3 = 0 + -45
5ix2 + 36x + 4x3 = 0 + -45

Combine like terms: 0 + -45 = -45
5ix2 + 36x + 4x3 = -45

Add '-36x' to each side of the equation.
5ix2 + 36x + -36x + 4x3 = -45 + -36x

Combine like terms: 36x + -36x = 0
5ix2 + 0 + 4x3 = -45 + -36x
5ix2 + 4x3 = -45 + -36x

Add '-4x3' to each side of the equation.
5ix2 + 4x3 + -4x3 = -45 + -36x + -4x3

Combine like terms: 4x3 + -4x3 = 0
5ix2 + 0 = -45 + -36x + -4x3
5ix2 = -45 + -36x + -4x3

Divide each side by '5x2'.
i = -9x-2 + -7.2x-1 + -0.8x

Simplifying
i = -9x-2 + -7.2x-1 + -0.8x

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