3x^2+(k-1)x-2=0

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Solution for 3x^2+(k-1)x-2=0 equation:


Simplifying
3x2 + (k + -1) * x + -2 = 0

Reorder the terms:
3x2 + (-1 + k) * x + -2 = 0

Reorder the terms for easier multiplication:
3x2 + x(-1 + k) + -2 = 0
3x2 + (-1 * x + k * x) + -2 = 0

Reorder the terms:
3x2 + (kx + -1x) + -2 = 0
3x2 + (kx + -1x) + -2 = 0

Reorder the terms:
-2 + kx + -1x + 3x2 = 0

Solving
-2 + kx + -1x + 3x2 = 0

Solving for variable 'k'.

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

Add '2' to each side of the equation.
-2 + kx + -1x + 2 + 3x2 = 0 + 2

Reorder the terms:
-2 + 2 + kx + -1x + 3x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + kx + -1x + 3x2 = 0 + 2
kx + -1x + 3x2 = 0 + 2

Combine like terms: 0 + 2 = 2
kx + -1x + 3x2 = 2

Add 'x' to each side of the equation.
kx + -1x + x + 3x2 = 2 + x

Combine like terms: -1x + x = 0
kx + 0 + 3x2 = 2 + x
kx + 3x2 = 2 + x

Add '-3x2' to each side of the equation.
kx + 3x2 + -3x2 = 2 + x + -3x2

Combine like terms: 3x2 + -3x2 = 0
kx + 0 = 2 + x + -3x2
kx = 2 + x + -3x2

Divide each side by 'x'.
k = 2x-1 + 1 + -3x

Simplifying
k = 2x-1 + 1 + -3x

Reorder the terms:
k = 1 + 2x-1 + -3x

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