2x^2+kx+9=0

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Solution for 2x^2+kx+9=0 equation:


Simplifying
2x2 + kx + 9 = 0

Reorder the terms:
9 + kx + 2x2 = 0

Solving
9 + kx + 2x2 = 0

Solving for variable 'k'.

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

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

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

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

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

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

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

Divide each side by 'x'.
k = -9x-1 + -2x

Simplifying
k = -9x-1 + -2x

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