(u^2-8u-16)+63=0

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Solution for (u^2-8u-16)+63=0 equation:


Simplifying
(u2 + -8u + -16) + 63 = 0

Reorder the terms:
(-16 + -8u + u2) + 63 = 0

Remove parenthesis around (-16 + -8u + u2)
-16 + -8u + u2 + 63 = 0

Reorder the terms:
-16 + 63 + -8u + u2 = 0

Combine like terms: -16 + 63 = 47
47 + -8u + u2 = 0

Solving
47 + -8u + u2 = 0

Solving for variable 'u'.

Begin completing the square.

Move the constant term to the right:

Add '-47' to each side of the equation.
47 + -8u + -47 + u2 = 0 + -47

Reorder the terms:
47 + -47 + -8u + u2 = 0 + -47

Combine like terms: 47 + -47 = 0
0 + -8u + u2 = 0 + -47
-8u + u2 = 0 + -47

Combine like terms: 0 + -47 = -47
-8u + u2 = -47

The u term is -8u.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8u + 16 + u2 = -47 + 16

Reorder the terms:
16 + -8u + u2 = -47 + 16

Combine like terms: -47 + 16 = -31
16 + -8u + u2 = -31

Factor a perfect square on the left side:
(u + -4)(u + -4) = -31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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