12x^4-75=0

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Solution for 12x^4-75=0 equation:


Simplifying
12x4 + -75 = 0

Reorder the terms:
-75 + 12x4 = 0

Solving
-75 + 12x4 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '75' to each side of the equation.
-75 + 75 + 12x4 = 0 + 75

Combine like terms: -75 + 75 = 0
0 + 12x4 = 0 + 75
12x4 = 0 + 75

Combine like terms: 0 + 75 = 75
12x4 = 75

Divide each side by '12'.
x4 = 6.25

Simplifying
x4 = 6.25

Reorder the terms:
-6.25 + x4 = 6.25 + -6.25

Combine like terms: 6.25 + -6.25 = 0.00
-6.25 + x4 = 0.00

Factor a difference between two squares.
(2.5 + x2)(-2.5 + x2) = 0.00

Subproblem 1

Set the factor '(2.5 + x2)' equal to zero and attempt to solve: Simplifying 2.5 + x2 = 0 Solving 2.5 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x2 = 0 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x2 = 0 + -2.5 x2 = 0 + -2.5 Combine like terms: 0 + -2.5 = -2.5 x2 = -2.5 Simplifying x2 = -2.5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-2.5 + x2)' equal to zero and attempt to solve: Simplifying -2.5 + x2 = 0 Solving -2.5 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x2 = 0 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x2 = 0 + 2.5 x2 = 0 + 2.5 Combine like terms: 0 + 2.5 = 2.5 x2 = 2.5 Simplifying x2 = 2.5 Take the square root of each side: x = {-1.58113883, 1.58113883}

Solution

x = {-1.58113883, 1.58113883}

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