y=(9x^2+2kx-k)

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Solution for y=(9x^2+2kx-k) equation: 


Simplifying
y = (9x2 + 2kx + -1k)

Reorder the terms:
y = (-1k + 2kx + 9x2)

Remove parenthesis around (-1k + 2kx + 9x2)
y = -1k + 2kx + 9x2

Solving
y = -1k + 2kx + 9x2

Solving for variable 'y'.

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

Simplifying
y = -1k + 2kx + 9x2

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