4y^2=4y-1

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Solution for 4y^2=4y-1 equation:


Simplifying
4y2 = 4y + -1

Reorder the terms:
4y2 = -1 + 4y

Solving
4y2 = -1 + 4y

Solving for variable 'y'.

Reorder the terms:
1 + -4y + 4y2 = -1 + 4y + 1 + -4y

Reorder the terms:
1 + -4y + 4y2 = -1 + 1 + 4y + -4y

Combine like terms: -1 + 1 = 0
1 + -4y + 4y2 = 0 + 4y + -4y
1 + -4y + 4y2 = 4y + -4y

Combine like terms: 4y + -4y = 0
1 + -4y + 4y2 = 0

Factor a trinomial.
(1 + -2y)(1 + -2y) = 0

Subproblem 1

Set the factor '(1 + -2y)' equal to zero and attempt to solve: Simplifying 1 + -2y = 0 Solving 1 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2y = 0 + -1 -2y = 0 + -1 Combine like terms: 0 + -1 = -1 -2y = -1 Divide each side by '-2'. y = 0.5 Simplifying y = 0.5

Subproblem 2

Set the factor '(1 + -2y)' equal to zero and attempt to solve: Simplifying 1 + -2y = 0 Solving 1 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2y = 0 + -1 -2y = 0 + -1 Combine like terms: 0 + -1 = -1 -2y = -1 Divide each side by '-2'. y = 0.5 Simplifying y = 0.5

Solution

y = {0.5, 0.5}

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