256a^4-625=0

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Solution for 256a^4-625=0 equation:


Simplifying
256a4 + -625 = 0

Reorder the terms:
-625 + 256a4 = 0

Solving
-625 + 256a4 = 0

Solving for variable 'a'.

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

Add '625' to each side of the equation.
-625 + 625 + 256a4 = 0 + 625

Combine like terms: -625 + 625 = 0
0 + 256a4 = 0 + 625
256a4 = 0 + 625

Combine like terms: 0 + 625 = 625
256a4 = 625

Divide each side by '256'.
a4 = 2.44140625

Simplifying
a4 = 2.44140625

Reorder the terms:
-2.44140625 + a4 = 2.44140625 + -2.44140625

Combine like terms: 2.44140625 + -2.44140625 = 0.00000000
-2.44140625 + a4 = 0.00000000

Factor a difference between two squares.
(1.5625 + a2)(-1.5625 + a2) = 0.00000000

Factor a difference between two squares.
(1.5625 + a2)((1.25 + a)(-1.25 + a)) = 0.00000000

Subproblem 1

Set the factor '(1.5625 + a2)' equal to zero and attempt to solve: Simplifying 1.5625 + a2 = 0 Solving 1.5625 + a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '-1.5625' to each side of the equation. 1.5625 + -1.5625 + a2 = 0 + -1.5625 Combine like terms: 1.5625 + -1.5625 = 0.0000 0.0000 + a2 = 0 + -1.5625 a2 = 0 + -1.5625 Combine like terms: 0 + -1.5625 = -1.5625 a2 = -1.5625 Simplifying a2 = -1.5625 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 '(1.25 + a)' equal to zero and attempt to solve: Simplifying 1.25 + a = 0 Solving 1.25 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + a = 0 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + a = 0 + -1.25 a = 0 + -1.25 Combine like terms: 0 + -1.25 = -1.25 a = -1.25 Simplifying a = -1.25

Subproblem 3

Set the factor '(-1.25 + a)' equal to zero and attempt to solve: Simplifying -1.25 + a = 0 Solving -1.25 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + a = 0 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + a = 0 + 1.25 a = 0 + 1.25 Combine like terms: 0 + 1.25 = 1.25 a = 1.25 Simplifying a = 1.25

Solution

a = {-1.25, 1.25}

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