28y^2-16y=4y

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Solution for 28y^2-16y=4y equation:


Simplifying
28y2 + -16y = 4y

Reorder the terms:
-16y + 28y2 = 4y

Solving
-16y + 28y2 = 4y

Solving for variable 'y'.

Reorder the terms:
-16y + -4y + 28y2 = 4y + -4y

Combine like terms: -16y + -4y = -20y
-20y + 28y2 = 4y + -4y

Combine like terms: 4y + -4y = 0
-20y + 28y2 = 0

Factor out the Greatest Common Factor (GCF), '4y'.
4y(-5 + 7y) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(-5 + 7y)' equal to zero and attempt to solve: Simplifying -5 + 7y = 0 Solving -5 + 7y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 7y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 7y = 0 + 5 7y = 0 + 5 Combine like terms: 0 + 5 = 5 7y = 5 Divide each side by '7'. y = 0.7142857143 Simplifying y = 0.7142857143

Solution

y = {0, 0.7142857143}

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