(3y+8)(9y+y)=0

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Solution for (3y+8)(9y+y)=0 equation:


Simplifying
(3y + 8)(9y + y) = 0

Reorder the terms:
(8 + 3y)(9y + y) = 0

Combine like terms: 9y + y = 10y
(8 + 3y)(10y) = 0

Remove parenthesis around (10y)
(8 + 3y) * 10y = 0

Reorder the terms for easier multiplication:
10y(8 + 3y) = 0
(8 * 10y + 3y * 10y) = 0
(80y + 30y2) = 0

Solving
80y + 30y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '10y'.
10y(8 + 3y) = 0

Ignore the factor 10.

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 '(8 + 3y)' equal to zero and attempt to solve: Simplifying 8 + 3y = 0 Solving 8 + 3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3y = 0 + -8 3y = 0 + -8 Combine like terms: 0 + -8 = -8 3y = -8 Divide each side by '3'. y = -2.666666667 Simplifying y = -2.666666667

Solution

y = {0, -2.666666667}

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