x(26-x)=169

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Solution for x(26-x)=169 equation:


Simplifying
x(26 + -1x) = 169
(26 * x + -1x * x) = 169
(26x + -1x2) = 169

Solving
26x + -1x2 = 169

Solving for variable 'x'.

Reorder the terms:
-169 + 26x + -1x2 = 169 + -169

Combine like terms: 169 + -169 = 0
-169 + 26x + -1x2 = 0

Factor a trinomial.
(-13 + x)(13 + -1x) = 0

Subproblem 1

Set the factor '(-13 + x)' equal to zero and attempt to solve: Simplifying -13 + x = 0 Solving -13 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + x = 0 + 13 x = 0 + 13 Combine like terms: 0 + 13 = 13 x = 13 Simplifying x = 13

Subproblem 2

Set the factor '(13 + -1x)' equal to zero and attempt to solve: Simplifying 13 + -1x = 0 Solving 13 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1x = 0 + -13 -1x = 0 + -13 Combine like terms: 0 + -13 = -13 -1x = -13 Divide each side by '-1'. x = 13 Simplifying x = 13

Solution

x = {13, 13}

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