(-3x^4-1)-(6x^4+6x^2-4)=

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Solution for (-3x^4-1)-(6x^4+6x^2-4)= equation:


Simplifying
(-3x4 + -1) + -1(6x4 + 6x2 + -4) = 0

Reorder the terms:
(-1 + -3x4) + -1(6x4 + 6x2 + -4) = 0

Remove parenthesis around (-1 + -3x4)
-1 + -3x4 + -1(6x4 + 6x2 + -4) = 0

Reorder the terms:
-1 + -3x4 + -1(-4 + 6x2 + 6x4) = 0
-1 + -3x4 + (-4 * -1 + 6x2 * -1 + 6x4 * -1) = 0
-1 + -3x4 + (4 + -6x2 + -6x4) = 0

Reorder the terms:
-1 + 4 + -6x2 + -3x4 + -6x4 = 0

Combine like terms: -1 + 4 = 3
3 + -6x2 + -3x4 + -6x4 = 0

Combine like terms: -3x4 + -6x4 = -9x4
3 + -6x2 + -9x4 = 0

Solving
3 + -6x2 + -9x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(1 + -2x2 + -3x4) = 0

Factor a trinomial.
3((1 + -3x2)(1 + x2)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -3x2)' equal to zero and attempt to solve: Simplifying 1 + -3x2 = 0 Solving 1 + -3x2 = 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 + -3x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x2 = 0 + -1 -3x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -3x2 = -1 Divide each side by '-3'. x2 = 0.3333333333 Simplifying x2 = 0.3333333333 Take the square root of each side: x = {-0.577350269, 0.577350269}

Subproblem 2

Set the factor '(1 + x2)' equal to zero and attempt to solve: Simplifying 1 + x2 = 0 Solving 1 + x2 = 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 + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x2 = 0 + -1 x2 = 0 + -1 Combine like terms: 0 + -1 = -1 x2 = -1 Simplifying x2 = -1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

x = {-0.577350269, 0.577350269}

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