(a-b)(a-b)=0

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Solution for (a-b)(a-b)=0 equation:


Simplifying
(a + -1b)(a + -1b) = 0

Multiply (a + -1b) * (a + -1b)
(a(a + -1b) + -1b * (a + -1b)) = 0
((a * a + -1b * a) + -1b * (a + -1b)) = 0

Reorder the terms:
((-1ab + a2) + -1b * (a + -1b)) = 0
((-1ab + a2) + -1b * (a + -1b)) = 0
(-1ab + a2 + (a * -1b + -1b * -1b)) = 0
(-1ab + a2 + (-1ab + 1b2)) = 0

Reorder the terms:
(-1ab + -1ab + a2 + 1b2) = 0

Combine like terms: -1ab + -1ab = -2ab
(-2ab + a2 + 1b2) = 0

Solving
-2ab + a2 + 1b2 = 0

Solving for variable 'a'.

Factor a trinomial.
(a + -1b)(a + -1b) = 0

Subproblem 1

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

Subproblem 2

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

Solution

a = {b, b}

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