k=-3x^2-(2x-3-7x-2)+9x-2

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Solution for k=-3x^2-(2x-3-7x-2)+9x-2 equation: 


Simplifying
k = -3x2 + -1(2x + -3 + -7x + -2) + 9x + -2

Reorder the terms:
k = -3x2 + -1(-3 + -2 + 2x + -7x) + 9x + -2

Combine like terms: -3 + -2 = -5
k = -3x2 + -1(-5 + 2x + -7x) + 9x + -2

Combine like terms: 2x + -7x = -5x
k = -3x2 + -1(-5 + -5x) + 9x + -2
k = -3x2 + (-5 * -1 + -5x * -1) + 9x + -2
k = -3x2 + (5 + 5x) + 9x + -2

Reorder the terms:
k = 5 + -2 + 5x + 9x + -3x2

Combine like terms: 5 + -2 = 3
k = 3 + 5x + 9x + -3x2

Combine like terms: 5x + 9x = 14x
k = 3 + 14x + -3x2

Solving
k = 3 + 14x + -3x2

Solving for variable 'k'.

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

Simplifying
k = 3 + 14x + -3x2

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