9x^2-(k+1)x+1=0

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Solution for 9x^2-(k+1)x+1=0 equation:


Simplifying
9x2 + -1(k + 1) * x + 1 = 0

Reorder the terms:
9x2 + -1(1 + k) * x + 1 = 0

Reorder the terms for easier multiplication:
9x2 + -1x(1 + k) + 1 = 0
9x2 + (1 * -1x + k * -1x) + 1 = 0

Reorder the terms:
9x2 + (-1kx + -1x) + 1 = 0
9x2 + (-1kx + -1x) + 1 = 0

Reorder the terms:
1 + -1kx + -1x + 9x2 = 0

Solving
1 + -1kx + -1x + 9x2 = 0

Solving for variable 'k'.

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

Add '-1' to each side of the equation.
1 + -1kx + -1x + -1 + 9x2 = 0 + -1

Reorder the terms:
1 + -1 + -1kx + -1x + 9x2 = 0 + -1

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

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

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

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

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

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

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

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

Reorder the terms:
k = -1 + x-1 + 9x

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