x^2=14x-40

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Solution for x^2=14x-40 equation:


Simplifying
x2 = 14x + -40

Reorder the terms:
x2 = -40 + 14x

Solving
x2 = -40 + 14x

Solving for variable 'x'.

Reorder the terms:
40 + -14x + x2 = -40 + 14x + 40 + -14x

Reorder the terms:
40 + -14x + x2 = -40 + 40 + 14x + -14x

Combine like terms: -40 + 40 = 0
40 + -14x + x2 = 0 + 14x + -14x
40 + -14x + x2 = 14x + -14x

Combine like terms: 14x + -14x = 0
40 + -14x + x2 = 0

Factor a trinomial.
(4 + -1x)(10 + -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 '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {4, 10}

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