x^2+5=8x+14

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Solution for x^2+5=8x+14 equation:


Simplifying
x2 + 5 = 8x + 14

Reorder the terms:
5 + x2 = 8x + 14

Reorder the terms:
5 + x2 = 14 + 8x

Solving
5 + x2 = 14 + 8x

Solving for variable 'x'.

Reorder the terms:
5 + -14 + -8x + x2 = 14 + 8x + -14 + -8x

Combine like terms: 5 + -14 = -9
-9 + -8x + x2 = 14 + 8x + -14 + -8x

Reorder the terms:
-9 + -8x + x2 = 14 + -14 + 8x + -8x

Combine like terms: 14 + -14 = 0
-9 + -8x + x2 = 0 + 8x + -8x
-9 + -8x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -8x + x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-1, 9}

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