(3x+5u)(7x-5u-4)=0

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Solution for (3x+5u)(7x-5u-4)=0 equation: 


Simplifying
(3x + 5u)(7x + -5u + -4) = 0

Reorder the terms:
(5u + 3x)(7x + -5u + -4) = 0

Reorder the terms:
(5u + 3x)(-4 + -5u + 7x) = 0

Multiply (5u + 3x) * (-4 + -5u + 7x)
(5u * (-4 + -5u + 7x) + 3x * (-4 + -5u + 7x)) = 0
((-4 * 5u + -5u * 5u + 7x * 5u) + 3x * (-4 + -5u + 7x)) = 0

Reorder the terms:
((-20u + 35ux + -25u2) + 3x * (-4 + -5u + 7x)) = 0
((-20u + 35ux + -25u2) + 3x * (-4 + -5u + 7x)) = 0
(-20u + 35ux + -25u2 + (-4 * 3x + -5u * 3x + 7x * 3x)) = 0

Reorder the terms:
(-20u + 35ux + -25u2 + (-15ux + -12x + 21x2)) = 0
(-20u + 35ux + -25u2 + (-15ux + -12x + 21x2)) = 0

Reorder the terms:
(-20u + 35ux + -15ux + -25u2 + -12x + 21x2) = 0

Combine like terms: 35ux + -15ux = 20ux
(-20u + 20ux + -25u2 + -12x + 21x2) = 0

Solving
-20u + 20ux + -25u2 + -12x + 21x2 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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