(5x-5v-7)(3x+7v)=0

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Solution for (5x-5v-7)(3x+7v)=0 equation: 


Simplifying
(5x + -5v + -7)(3x + 7v) = 0

Reorder the terms:
(-7 + -5v + 5x)(3x + 7v) = 0

Reorder the terms:
(-7 + -5v + 5x)(7v + 3x) = 0

Multiply (-7 + -5v + 5x) * (7v + 3x)
(-7(7v + 3x) + -5v * (7v + 3x) + 5x * (7v + 3x)) = 0
((7v * -7 + 3x * -7) + -5v * (7v + 3x) + 5x * (7v + 3x)) = 0
((-49v + -21x) + -5v * (7v + 3x) + 5x * (7v + 3x)) = 0
(-49v + -21x + (7v * -5v + 3x * -5v) + 5x * (7v + 3x)) = 0

Reorder the terms:
(-49v + -21x + (-15vx + -35v2) + 5x * (7v + 3x)) = 0
(-49v + -21x + (-15vx + -35v2) + 5x * (7v + 3x)) = 0
(-49v + -21x + -15vx + -35v2 + (7v * 5x + 3x * 5x)) = 0
(-49v + -21x + -15vx + -35v2 + (35vx + 15x2)) = 0

Reorder the terms:
(-49v + -15vx + 35vx + -35v2 + -21x + 15x2) = 0

Combine like terms: -15vx + 35vx = 20vx
(-49v + 20vx + -35v2 + -21x + 15x2) = 0

Solving
-49v + 20vx + -35v2 + -21x + 15x2 = 0

Solving for variable 'v'.

The solution to this equation could not be determined.

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