3x^2-8x-6=x^2-6

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Solution for 3x^2-8x-6=x^2-6 equation:


Simplifying
3x2 + -8x + -6 = x2 + -6

Reorder the terms:
-6 + -8x + 3x2 = x2 + -6

Reorder the terms:
-6 + -8x + 3x2 = -6 + x2

Add '6' to each side of the equation.
-6 + -8x + 6 + 3x2 = -6 + 6 + x2

Reorder the terms:
-6 + 6 + -8x + 3x2 = -6 + 6 + x2

Combine like terms: -6 + 6 = 0
0 + -8x + 3x2 = -6 + 6 + x2
-8x + 3x2 = -6 + 6 + x2

Combine like terms: -6 + 6 = 0
-8x + 3x2 = 0 + x2
-8x + 3x2 = x2

Solving
-8x + 3x2 = x2

Solving for variable 'x'.

Combine like terms: 3x2 + -1x2 = 2x2
-8x + 2x2 = x2 + -1x2

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

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

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-4 + x)' equal to zero and attempt to solve: Simplifying -4 + x = 0 Solving -4 + x = 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 + x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + x = 0 + 4 x = 0 + 4 Combine like terms: 0 + 4 = 4 x = 4 Simplifying x = 4

Solution

x = {0, 4}

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