(3y-1)(y+1)=0

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Solution for (3y-1)(y+1)=0 equation:


Simplifying
(3y + -1)(y + 1) = 0

Reorder the terms:
(-1 + 3y)(y + 1) = 0

Reorder the terms:
(-1 + 3y)(1 + y) = 0

Multiply (-1 + 3y) * (1 + y)
(-1(1 + y) + 3y * (1 + y)) = 0
((1 * -1 + y * -1) + 3y * (1 + y)) = 0
((-1 + -1y) + 3y * (1 + y)) = 0
(-1 + -1y + (1 * 3y + y * 3y)) = 0
(-1 + -1y + (3y + 3y2)) = 0

Combine like terms: -1y + 3y = 2y
(-1 + 2y + 3y2) = 0

Solving
-1 + 2y + 3y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-1 + -1y)(1 + -3y) = 0

Subproblem 1

Set the factor '(-1 + -1y)' equal to zero and attempt to solve: Simplifying -1 + -1y = 0 Solving -1 + -1y = 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 + -1y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1y = 0 + 1 -1y = 0 + 1 Combine like terms: 0 + 1 = 1 -1y = 1 Divide each side by '-1'. y = -1 Simplifying y = -1

Subproblem 2

Set the factor '(1 + -3y)' equal to zero and attempt to solve: Simplifying 1 + -3y = 0 Solving 1 + -3y = 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 + -3y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3y = 0 + -1 -3y = 0 + -1 Combine like terms: 0 + -1 = -1 -3y = -1 Divide each side by '-3'. y = 0.3333333333 Simplifying y = 0.3333333333

Solution

y = {-1, 0.3333333333}

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