(x-10)*(x-10)-1=0

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Solution for (x-10)*(x-10)-1=0 equation:


Simplifying
(x + -10)(x + -10) + -1 = 0

Reorder the terms:
(-10 + x)(x + -10) + -1 = 0

Reorder the terms:
(-10 + x)(-10 + x) + -1 = 0

Multiply (-10 + x) * (-10 + x)
(-10(-10 + x) + x(-10 + x)) + -1 = 0
((-10 * -10 + x * -10) + x(-10 + x)) + -1 = 0
((100 + -10x) + x(-10 + x)) + -1 = 0
(100 + -10x + (-10 * x + x * x)) + -1 = 0
(100 + -10x + (-10x + x2)) + -1 = 0

Combine like terms: -10x + -10x = -20x
(100 + -20x + x2) + -1 = 0

Reorder the terms:
100 + -1 + -20x + x2 = 0

Combine like terms: 100 + -1 = 99
99 + -20x + x2 = 0

Solving
99 + -20x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + -1x)(11 + -1x) = 0

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {9, 11}

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