x*x+14=9x-6

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Solution for x*x+14=9x-6 equation:


Simplifying
x * x + 14 = 9x + -6

Multiply x * x
x2 + 14 = 9x + -6

Reorder the terms:
14 + x2 = 9x + -6

Reorder the terms:
14 + x2 = -6 + 9x

Solving
14 + x2 = -6 + 9x

Solving for variable 'x'.

Reorder the terms:
14 + 6 + -9x + x2 = -6 + 9x + 6 + -9x

Combine like terms: 14 + 6 = 20
20 + -9x + x2 = -6 + 9x + 6 + -9x

Reorder the terms:
20 + -9x + x2 = -6 + 6 + 9x + -9x

Combine like terms: -6 + 6 = 0
20 + -9x + x2 = 0 + 9x + -9x
20 + -9x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
20 + -9x + x2 = 0

Factor a trinomial.
(4 + -1x)(5 + -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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {4, 5}

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