4y^4-25=0

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Solution for 4y^4-25=0 equation:


Simplifying
4y4 + -25 = 0

Reorder the terms:
-25 + 4y4 = 0

Solving
-25 + 4y4 = 0

Solving for variable 'y'.

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

Add '25' to each side of the equation.
-25 + 25 + 4y4 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 4y4 = 0 + 25
4y4 = 0 + 25

Combine like terms: 0 + 25 = 25
4y4 = 25

Divide each side by '4'.
y4 = 6.25

Simplifying
y4 = 6.25

Reorder the terms:
-6.25 + y4 = 6.25 + -6.25

Combine like terms: 6.25 + -6.25 = 0.00
-6.25 + y4 = 0.00

Factor a difference between two squares.
(2.5 + y2)(-2.5 + y2) = 0.00

Subproblem 1

Set the factor '(2.5 + y2)' equal to zero and attempt to solve: Simplifying 2.5 + y2 = 0 Solving 2.5 + y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + y2 = 0 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + y2 = 0 + -2.5 y2 = 0 + -2.5 Combine like terms: 0 + -2.5 = -2.5 y2 = -2.5 Simplifying y2 = -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 + y2)' equal to zero and attempt to solve: Simplifying -2.5 + y2 = 0 Solving -2.5 + y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + y2 = 0 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + y2 = 0 + 2.5 y2 = 0 + 2.5 Combine like terms: 0 + 2.5 = 2.5 y2 = 2.5 Simplifying y2 = 2.5 Take the square root of each side: y = {-1.58113883, 1.58113883}

Solution

y = {-1.58113883, 1.58113883}

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