-3y(3y+4)=4

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Solution for -3y(3y+4)=4 equation:


Simplifying
-3y(3y + 4) = 4

Reorder the terms:
-3y(4 + 3y) = 4
(4 * -3y + 3y * -3y) = 4
(-12y + -9y2) = 4

Solving
-12y + -9y2 = 4

Solving for variable 'y'.

Reorder the terms:
-4 + -12y + -9y2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -12y + -9y2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(4 + 12y + 9y2) = 0

Factor a trinomial.
-1((2 + 3y)(2 + 3y)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(2 + 3y)' equal to zero and attempt to solve: Simplifying 2 + 3y = 0 Solving 2 + 3y = 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 + 3y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3y = 0 + -2 3y = 0 + -2 Combine like terms: 0 + -2 = -2 3y = -2 Divide each side by '3'. y = -0.6666666667 Simplifying y = -0.6666666667

Subproblem 2

Set the factor '(2 + 3y)' equal to zero and attempt to solve: Simplifying 2 + 3y = 0 Solving 2 + 3y = 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 + 3y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3y = 0 + -2 3y = 0 + -2 Combine like terms: 0 + -2 = -2 3y = -2 Divide each side by '3'. y = -0.6666666667 Simplifying y = -0.6666666667

Solution

y = {-0.6666666667, -0.6666666667}

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