x^2+(k+9)x+2k+6=0

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Solution for x^2+(k+9)x+2k+6=0 equation:


Simplifying
x2 + (k + 9) * x + 2k + 6 = 0

Reorder the terms:
x2 + (9 + k) * x + 2k + 6 = 0

Reorder the terms for easier multiplication:
x2 + x(9 + k) + 2k + 6 = 0
x2 + (9 * x + k * x) + 2k + 6 = 0

Reorder the terms:
x2 + (kx + 9x) + 2k + 6 = 0
x2 + (kx + 9x) + 2k + 6 = 0

Reorder the terms:
6 + 2k + kx + 9x + x2 = 0

Solving
6 + 2k + kx + 9x + x2 = 0

Solving for variable 'k'.

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

Add '-6' to each side of the equation.
6 + 2k + kx + 9x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + 2k + kx + 9x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2k + kx + 9x + x2 = 0 + -6
2k + kx + 9x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
2k + kx + 9x + x2 = -6

Add '-9x' to each side of the equation.
2k + kx + 9x + -9x + x2 = -6 + -9x

Combine like terms: 9x + -9x = 0
2k + kx + 0 + x2 = -6 + -9x
2k + kx + x2 = -6 + -9x

Add '-1x2' to each side of the equation.
2k + kx + x2 + -1x2 = -6 + -9x + -1x2

Combine like terms: x2 + -1x2 = 0
2k + kx + 0 = -6 + -9x + -1x2
2k + kx = -6 + -9x + -1x2

Reorder the terms:
6 + 2k + kx + 9x + x2 = -6 + -9x + -1x2 + 6 + 9x + x2

Reorder the terms:
6 + 2k + kx + 9x + x2 = -6 + 6 + -9x + 9x + -1x2 + x2

Combine like terms: -6 + 6 = 0
6 + 2k + kx + 9x + x2 = 0 + -9x + 9x + -1x2 + x2
6 + 2k + kx + 9x + x2 = -9x + 9x + -1x2 + x2

Combine like terms: -9x + 9x = 0
6 + 2k + kx + 9x + x2 = 0 + -1x2 + x2
6 + 2k + kx + 9x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
6 + 2k + kx + 9x + x2 = 0

The solution to this equation could not be determined.

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