(y+6)(4y+9)=0

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Solution for (y+6)(4y+9)=0 equation:


Simplifying
(y + 6)(4y + 9) = 0

Reorder the terms:
(6 + y)(4y + 9) = 0

Reorder the terms:
(6 + y)(9 + 4y) = 0

Multiply (6 + y) * (9 + 4y)
(6(9 + 4y) + y(9 + 4y)) = 0
((9 * 6 + 4y * 6) + y(9 + 4y)) = 0
((54 + 24y) + y(9 + 4y)) = 0
(54 + 24y + (9 * y + 4y * y)) = 0
(54 + 24y + (9y + 4y2)) = 0

Combine like terms: 24y + 9y = 33y
(54 + 33y + 4y2) = 0

Solving
54 + 33y + 4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(6 + y)(9 + 4y) = 0

Subproblem 1

Set the factor '(6 + y)' equal to zero and attempt to solve: Simplifying 6 + y = 0 Solving 6 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + y = 0 + -6 Combine like terms: 6 + -6 = 0 0 + y = 0 + -6 y = 0 + -6 Combine like terms: 0 + -6 = -6 y = -6 Simplifying y = -6

Subproblem 2

Set the factor '(9 + 4y)' equal to zero and attempt to solve: Simplifying 9 + 4y = 0 Solving 9 + 4y = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4y = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4y = 0 + -9 4y = 0 + -9 Combine like terms: 0 + -9 = -9 4y = -9 Divide each side by '4'. y = -2.25 Simplifying y = -2.25

Solution

y = {-6, -2.25}

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