2x^3-9x^2+12x+k=0

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Solution for 2x^3-9x^2+12x+k=0 equation:


Simplifying
2x3 + -9x2 + 12x + k = 0

Reorder the terms:
k + 12x + -9x2 + 2x3 = 0

Solving
k + 12x + -9x2 + 2x3 = 0

Solving for variable 'k'.

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

Add '-12x' to each side of the equation.
k + 12x + -9x2 + -12x + 2x3 = 0 + -12x

Reorder the terms:
k + 12x + -12x + -9x2 + 2x3 = 0 + -12x

Combine like terms: 12x + -12x = 0
k + 0 + -9x2 + 2x3 = 0 + -12x
k + -9x2 + 2x3 = 0 + -12x
Remove the zero:
k + -9x2 + 2x3 = -12x

Add '9x2' to each side of the equation.
k + -9x2 + 9x2 + 2x3 = -12x + 9x2

Combine like terms: -9x2 + 9x2 = 0
k + 0 + 2x3 = -12x + 9x2
k + 2x3 = -12x + 9x2

Add '-2x3' to each side of the equation.
k + 2x3 + -2x3 = -12x + 9x2 + -2x3

Combine like terms: 2x3 + -2x3 = 0
k + 0 = -12x + 9x2 + -2x3
k = -12x + 9x2 + -2x3

Simplifying
k = -12x + 9x2 + -2x3

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