(x-1)(x-1)-6(x-1)+9=0

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Solution for (x-1)(x-1)-6(x-1)+9=0 equation:


Simplifying
(x + -1)(x + -1) + -6(x + -1) + 9 = 0

Reorder the terms:
(-1 + x)(x + -1) + -6(x + -1) + 9 = 0

Reorder the terms:
(-1 + x)(-1 + x) + -6(x + -1) + 9 = 0

Multiply (-1 + x) * (-1 + x)
(-1(-1 + x) + x(-1 + x)) + -6(x + -1) + 9 = 0
((-1 * -1 + x * -1) + x(-1 + x)) + -6(x + -1) + 9 = 0
((1 + -1x) + x(-1 + x)) + -6(x + -1) + 9 = 0
(1 + -1x + (-1 * x + x * x)) + -6(x + -1) + 9 = 0
(1 + -1x + (-1x + x2)) + -6(x + -1) + 9 = 0

Combine like terms: -1x + -1x = -2x
(1 + -2x + x2) + -6(x + -1) + 9 = 0

Reorder the terms:
1 + -2x + x2 + -6(-1 + x) + 9 = 0
1 + -2x + x2 + (-1 * -6 + x * -6) + 9 = 0
1 + -2x + x2 + (6 + -6x) + 9 = 0

Reorder the terms:
1 + 6 + 9 + -2x + -6x + x2 = 0

Combine like terms: 1 + 6 = 7
7 + 9 + -2x + -6x + x2 = 0

Combine like terms: 7 + 9 = 16
16 + -2x + -6x + x2 = 0

Combine like terms: -2x + -6x = -8x
16 + -8x + x2 = 0

Solving
16 + -8x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {4, 4}

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