x^2+kx-18=0

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Solution for x^2+kx-18=0 equation:


Simplifying
x2 + kx + -18 = 0

Reorder the terms:
-18 + kx + x2 = 0

Solving
-18 + kx + x2 = 0

Solving for variable 'k'.

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

Add '18' to each side of the equation.
-18 + kx + 18 + x2 = 0 + 18

Reorder the terms:
-18 + 18 + kx + x2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + kx + x2 = 0 + 18
kx + x2 = 0 + 18

Combine like terms: 0 + 18 = 18
kx + x2 = 18

Add '-1x2' to each side of the equation.
kx + x2 + -1x2 = 18 + -1x2

Combine like terms: x2 + -1x2 = 0
kx + 0 = 18 + -1x2
kx = 18 + -1x2

Divide each side by 'x'.
k = 18x-1 + -1x

Simplifying
k = 18x-1 + -1x

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