x^2-4=3x^2-4x-4

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Solution for x^2-4=3x^2-4x-4 equation:


Simplifying
x2 + -4 = 3x2 + -4x + -4

Reorder the terms:
-4 + x2 = 3x2 + -4x + -4

Reorder the terms:
-4 + x2 = -4 + -4x + 3x2

Add '4' to each side of the equation.
-4 + 4 + x2 = -4 + -4x + 4 + 3x2

Combine like terms: -4 + 4 = 0
0 + x2 = -4 + -4x + 4 + 3x2
x2 = -4 + -4x + 4 + 3x2

Reorder the terms:
x2 = -4 + 4 + -4x + 3x2

Combine like terms: -4 + 4 = 0
x2 = 0 + -4x + 3x2
x2 = -4x + 3x2

Solving
x2 = -4x + 3x2

Solving for variable 'x'.

Reorder the terms:
4x + x2 + -3x2 = -4x + 3x2 + 4x + -3x2

Combine like terms: x2 + -3x2 = -2x2
4x + -2x2 = -4x + 3x2 + 4x + -3x2

Reorder the terms:
4x + -2x2 = -4x + 4x + 3x2 + -3x2

Combine like terms: -4x + 4x = 0
4x + -2x2 = 0 + 3x2 + -3x2
4x + -2x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
4x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(2 + -1x) = 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 '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0, 2}

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