(-2y-5)(3y+7)=

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Solution for (-2y-5)(3y+7)= equation: 


Simplifying
(-2y + -5)(3y + 7) = 0

Reorder the terms:
(-5 + -2y)(3y + 7) = 0

Reorder the terms:
(-5 + -2y)(7 + 3y) = 0

Multiply (-5 + -2y) * (7 + 3y)
(-5(7 + 3y) + -2y * (7 + 3y)) = 0
((7 * -5 + 3y * -5) + -2y * (7 + 3y)) = 0
((-35 + -15y) + -2y * (7 + 3y)) = 0
(-35 + -15y + (7 * -2y + 3y * -2y)) = 0
(-35 + -15y + (-14y + -6y2)) = 0

Combine like terms: -15y + -14y = -29y
(-35 + -29y + -6y2) = 0

Solving
-35 + -29y + -6y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(35 + 29y + 6y2) = 0

Factor a trinomial.
-1((5 + 2y)(7 + 3y)) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(5 + 2y)' equal to zero and attempt to solve:

Simplifying
5 + 2y = 0

Solving
5 + 2y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + 2y = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2y = 0 + -5
2y = 0 + -5

Combine like terms: 0 + -5 = -5
2y = -5

Divide each side by '2'.
y = -2.5

Simplifying
y = -2.5

Subproblem 2
Set the factor '(7 + 3y)' equal to zero and attempt to solve:

Simplifying
7 + 3y = 0

Solving
7 + 3y = 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 + 3y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3y = 0 + -7
3y = 0 + -7

Combine like terms: 0 + -7 = -7
3y = -7

Divide each side by '3'.
y = -2.333333333

Simplifying
y = -2.333333333
Solution
y = {-2.5, -2.333333333}

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