6x^2+x-1=4x^2-1

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Solution for 6x^2+x-1=4x^2-1 equation:


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

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

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

Add '1' to each side of the equation.
-1 + x + 1 + 6x2 = -1 + 1 + 4x2

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

Combine like terms: -1 + 1 = 0
0 + x + 6x2 = -1 + 1 + 4x2
x + 6x2 = -1 + 1 + 4x2

Combine like terms: -1 + 1 = 0
x + 6x2 = 0 + 4x2
x + 6x2 = 4x2

Solving
x + 6x2 = 4x2

Solving for variable 'x'.

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

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

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

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 '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {0, -0.5}

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