4x-x^2+6=12x+x^2-4

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Solution for 4x-x^2+6=12x+x^2-4 equation:


Simplifying
4x + -1x2 + 6 = 12x + x2 + -4

Reorder the terms:
6 + 4x + -1x2 = 12x + x2 + -4

Reorder the terms:
6 + 4x + -1x2 = -4 + 12x + x2

Solving
6 + 4x + -1x2 = -4 + 12x + x2

Solving for variable 'x'.

Reorder the terms:
6 + 4 + 4x + -12x + -1x2 + -1x2 = -4 + 12x + x2 + 4 + -12x + -1x2

Combine like terms: 6 + 4 = 10
10 + 4x + -12x + -1x2 + -1x2 = -4 + 12x + x2 + 4 + -12x + -1x2

Combine like terms: 4x + -12x = -8x
10 + -8x + -1x2 + -1x2 = -4 + 12x + x2 + 4 + -12x + -1x2

Combine like terms: -1x2 + -1x2 = -2x2
10 + -8x + -2x2 = -4 + 12x + x2 + 4 + -12x + -1x2

Reorder the terms:
10 + -8x + -2x2 = -4 + 4 + 12x + -12x + x2 + -1x2

Combine like terms: -4 + 4 = 0
10 + -8x + -2x2 = 0 + 12x + -12x + x2 + -1x2
10 + -8x + -2x2 = 12x + -12x + x2 + -1x2

Combine like terms: 12x + -12x = 0
10 + -8x + -2x2 = 0 + x2 + -1x2
10 + -8x + -2x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
10 + -8x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + -4x + -1x2) = 0

Factor a trinomial.
2((1 + -1x)(5 + x)) = 0

Ignore the factor 2.

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {1, -5}

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