4y^2-92y=-520

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Solution for 4y^2-92y=-520 equation:


Simplifying
4y2 + -92y = -520

Reorder the terms:
-92y + 4y2 = -520

Solving
-92y + 4y2 = -520

Solving for variable 'y'.

Reorder the terms:
520 + -92y + 4y2 = -520 + 520

Combine like terms: -520 + 520 = 0
520 + -92y + 4y2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(130 + -23y + y2) = 0

Factor a trinomial.
4((10 + -1y)(13 + -1y)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(10 + -1y)' equal to zero and attempt to solve: Simplifying 10 + -1y = 0 Solving 10 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1y = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1y = 0 + -10 -1y = 0 + -10 Combine like terms: 0 + -10 = -10 -1y = -10 Divide each side by '-1'. y = 10 Simplifying y = 10

Subproblem 2

Set the factor '(13 + -1y)' equal to zero and attempt to solve: Simplifying 13 + -1y = 0 Solving 13 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1y = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1y = 0 + -13 -1y = 0 + -13 Combine like terms: 0 + -13 = -13 -1y = -13 Divide each side by '-1'. y = 13 Simplifying y = 13

Solution

y = {10, 13}

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