(2y-4)(-9y+3)=0

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Solution for (2y-4)(-9y+3)=0 equation:


Simplifying
(2y + -4)(-9y + 3) = 0

Reorder the terms:
(-4 + 2y)(-9y + 3) = 0

Reorder the terms:
(-4 + 2y)(3 + -9y) = 0

Multiply (-4 + 2y) * (3 + -9y)
(-4(3 + -9y) + 2y * (3 + -9y)) = 0
((3 * -4 + -9y * -4) + 2y * (3 + -9y)) = 0
((-12 + 36y) + 2y * (3 + -9y)) = 0
(-12 + 36y + (3 * 2y + -9y * 2y)) = 0
(-12 + 36y + (6y + -18y2)) = 0

Combine like terms: 36y + 6y = 42y
(-12 + 42y + -18y2) = 0

Solving
-12 + 42y + -18y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-2 + 7y + -3y2) = 0

Factor a trinomial.
6((-2 + y)(1 + -3y)) = 0

Ignore the factor 6.

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 + -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 = {2, 0.3333333333}

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