20y^2-92y+80=3

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Solution for 20y^2-92y+80=3 equation:


Simplifying
20y2 + -92y + 80 = 3

Reorder the terms:
80 + -92y + 20y2 = 3

Solving
80 + -92y + 20y2 = 3

Solving for variable 'y'.

Reorder the terms:
80 + -3 + -92y + 20y2 = 3 + -3

Combine like terms: 80 + -3 = 77
77 + -92y + 20y2 = 3 + -3

Combine like terms: 3 + -3 = 0
77 + -92y + 20y2 = 0

Factor a trinomial.
(11 + -10y)(7 + -2y) = 0

Subproblem 1

Set the factor '(11 + -10y)' equal to zero and attempt to solve: Simplifying 11 + -10y = 0 Solving 11 + -10y = 0 Move all terms containing y to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -10y = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -10y = 0 + -11 -10y = 0 + -11 Combine like terms: 0 + -11 = -11 -10y = -11 Divide each side by '-10'. y = 1.1 Simplifying y = 1.1

Subproblem 2

Set the factor '(7 + -2y)' equal to zero and attempt to solve: Simplifying 7 + -2y = 0 Solving 7 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2y = 0 + -7 -2y = 0 + -7 Combine like terms: 0 + -7 = -7 -2y = -7 Divide each side by '-2'. y = 3.5 Simplifying y = 3.5

Solution

y = {1.1, 3.5}

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