(4y+6)(7+y)=0

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Solution for (4y+6)(7+y)=0 equation:


Simplifying
(4y + 6)(7 + y) = 0

Reorder the terms:
(6 + 4y)(7 + y) = 0

Multiply (6 + 4y) * (7 + y)
(6(7 + y) + 4y * (7 + y)) = 0
((7 * 6 + y * 6) + 4y * (7 + y)) = 0
((42 + 6y) + 4y * (7 + y)) = 0
(42 + 6y + (7 * 4y + y * 4y)) = 0
(42 + 6y + (28y + 4y2)) = 0

Combine like terms: 6y + 28y = 34y
(42 + 34y + 4y2) = 0

Solving
42 + 34y + 4y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2'.
2(21 + 17y + 2y2) = 0

Factor a trinomial.
2((7 + y)(3 + 2y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(7 + y)' equal to zero and attempt to solve: Simplifying 7 + y = 0 Solving 7 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + y = 0 + -7 y = 0 + -7 Combine like terms: 0 + -7 = -7 y = -7 Simplifying y = -7

Subproblem 2

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

Solution

y = {-7, -1.5}

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