(6y+9)(5y-2)=

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Solution for (6y+9)(5y-2)= equation:


Simplifying
(6y + 9)(5y + -2) = 0

Reorder the terms:
(9 + 6y)(5y + -2) = 0

Reorder the terms:
(9 + 6y)(-2 + 5y) = 0

Multiply (9 + 6y) * (-2 + 5y)
(9(-2 + 5y) + 6y * (-2 + 5y)) = 0
((-2 * 9 + 5y * 9) + 6y * (-2 + 5y)) = 0
((-18 + 45y) + 6y * (-2 + 5y)) = 0
(-18 + 45y + (-2 * 6y + 5y * 6y)) = 0
(-18 + 45y + (-12y + 30y2)) = 0

Combine like terms: 45y + -12y = 33y
(-18 + 33y + 30y2) = 0

Solving
-18 + 33y + 30y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-6 + 11y + 10y2) = 0

Factor a trinomial.
3((-3 + -2y)(2 + -5y)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + -2y)' equal to zero and attempt to solve: Simplifying -3 + -2y = 0 Solving -3 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2y = 0 + 3 -2y = 0 + 3 Combine like terms: 0 + 3 = 3 -2y = 3 Divide each side by '-2'. y = -1.5 Simplifying y = -1.5

Subproblem 2

Set the factor '(2 + -5y)' equal to zero and attempt to solve: Simplifying 2 + -5y = 0 Solving 2 + -5y = 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 + -5y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5y = 0 + -2 -5y = 0 + -2 Combine like terms: 0 + -2 = -2 -5y = -2 Divide each side by '-5'. y = 0.4 Simplifying y = 0.4

Solution

y = {-1.5, 0.4}

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