2(x-7)(x-7)=0

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Solution for 2(x-7)(x-7)=0 equation: 


Simplifying
2(x + -7)(x + -7) = 0

Reorder the terms:
2(-7 + x)(x + -7) = 0

Reorder the terms:
2(-7 + x)(-7 + x) = 0

Multiply (-7 + x) * (-7 + x)
2(-7(-7 + x) + x(-7 + x)) = 0
2((-7 * -7 + x * -7) + x(-7 + x)) = 0
2((49 + -7x) + x(-7 + x)) = 0
2(49 + -7x + (-7 * x + x * x)) = 0
2(49 + -7x + (-7x + x2)) = 0

Combine like terms: -7x + -7x = -14x
2(49 + -14x + x2) = 0
(49 * 2 + -14x * 2 + x2 * 2) = 0
(98 + -28x + 2x2) = 0

Solving
98 + -28x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(49 + -14x + x2) = 0

Factor a trinomial.
2((7 + -1x)(7 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

Solving
7 + -1x = 0

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

Subproblem 2
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

Solving
7 + -1x = 0

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {7, 7}

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