(7u-7x+2)(5u+3x)=0

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Solution for (7u-7x+2)(5u+3x)=0 equation: 


Simplifying
(7u + -7x + 2)(5u + 3x) = 0

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

Multiply (2 + 7u + -7x) * (5u + 3x)
(2(5u + 3x) + 7u * (5u + 3x) + -7x * (5u + 3x)) = 0
((5u * 2 + 3x * 2) + 7u * (5u + 3x) + -7x * (5u + 3x)) = 0
((10u + 6x) + 7u * (5u + 3x) + -7x * (5u + 3x)) = 0
(10u + 6x + (5u * 7u + 3x * 7u) + -7x * (5u + 3x)) = 0

Reorder the terms:
(10u + 6x + (21ux + 35u2) + -7x * (5u + 3x)) = 0
(10u + 6x + (21ux + 35u2) + -7x * (5u + 3x)) = 0
(10u + 6x + 21ux + 35u2 + (5u * -7x + 3x * -7x)) = 0
(10u + 6x + 21ux + 35u2 + (-35ux + -21x2)) = 0

Reorder the terms:
(10u + 21ux + -35ux + 35u2 + 6x + -21x2) = 0

Combine like terms: 21ux + -35ux = -14ux
(10u + -14ux + 35u2 + 6x + -21x2) = 0

Solving
10u + -14ux + 35u2 + 6x + -21x2 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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