20y^2+50y+20=0

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Solution for 20y^2+50y+20=0 equation:


Simplifying
20y2 + 50y + 20 = 0

Reorder the terms:
20 + 50y + 20y2 = 0

Solving
20 + 50y + 20y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '10'.
10(2 + 5y + 2y2) = 0

Factor a trinomial.
10((2 + y)(1 + 2y)) = 0

Ignore the factor 10.

Subproblem 1

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

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 = {-2, -0.5}

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