2x^2-(4-x^2)=6x-4

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Solution for 2x^2-(4-x^2)=6x-4 equation:


Simplifying
2x2 + -1(4 + -1x2) = 6x + -4
2x2 + (4 * -1 + -1x2 * -1) = 6x + -4
2x2 + (-4 + 1x2) = 6x + -4

Reorder the terms:
-4 + 2x2 + 1x2 = 6x + -4

Combine like terms: 2x2 + 1x2 = 3x2
-4 + 3x2 = 6x + -4

Reorder the terms:
-4 + 3x2 = -4 + 6x

Add '4' to each side of the equation.
-4 + 4 + 3x2 = -4 + 4 + 6x

Combine like terms: -4 + 4 = 0
0 + 3x2 = -4 + 4 + 6x
3x2 = -4 + 4 + 6x

Combine like terms: -4 + 4 = 0
3x2 = 0 + 6x
3x2 = 6x

Solving
3x2 = 6x

Solving for variable 'x'.

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

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

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-2 + x) = 0

Ignore the factor 3.

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 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 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 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Simplifying x = 2

Solution

x = {0, 2}

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