(5y+1)(7y+2)=0

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Solution for (5y+1)(7y+2)=0 equation:


Simplifying
(5y + 1)(7y + 2) = 0

Reorder the terms:
(1 + 5y)(7y + 2) = 0

Reorder the terms:
(1 + 5y)(2 + 7y) = 0

Multiply (1 + 5y) * (2 + 7y)
(1(2 + 7y) + 5y * (2 + 7y)) = 0
((2 * 1 + 7y * 1) + 5y * (2 + 7y)) = 0
((2 + 7y) + 5y * (2 + 7y)) = 0
(2 + 7y + (2 * 5y + 7y * 5y)) = 0
(2 + 7y + (10y + 35y2)) = 0

Combine like terms: 7y + 10y = 17y
(2 + 17y + 35y2) = 0

Solving
2 + 17y + 35y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(2 + 7y)(1 + 5y) = 0

Subproblem 1

Set the factor '(2 + 7y)' equal to zero and attempt to solve: Simplifying 2 + 7y = 0 Solving 2 + 7y = 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 + 7y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7y = 0 + -2 7y = 0 + -2 Combine like terms: 0 + -2 = -2 7y = -2 Divide each side by '7'. y = -0.2857142857 Simplifying y = -0.2857142857

Subproblem 2

Set the factor '(1 + 5y)' equal to zero and attempt to solve: Simplifying 1 + 5y = 0 Solving 1 + 5y = 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 + 5y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5y = 0 + -1 5y = 0 + -1 Combine like terms: 0 + -1 = -1 5y = -1 Divide each side by '5'. y = -0.2 Simplifying y = -0.2

Solution

y = {-0.2857142857, -0.2}

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