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

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


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

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

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

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

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

Reorder the terms:
(-3u + 7ux + 5u2 + (35ux + -21x + 49x2)) = 0
(-3u + 7ux + 5u2 + (35ux + -21x + 49x2)) = 0

Reorder the terms:
(-3u + 7ux + 35ux + 5u2 + -21x + 49x2) = 0

Combine like terms: 7ux + 35ux = 42ux
(-3u + 42ux + 5u2 + -21x + 49x2) = 0

Solving
-3u + 42ux + 5u2 + -21x + 49x2 = 0

Solving for variable 'u'.

The solution to this equation could not be determined.

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