2u^2-8u+25=u^2+1

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Solution for 2u^2-8u+25=u^2+1 equation:


Simplifying
2u2 + -8u + 25 = u2 + 1

Reorder the terms:
25 + -8u + 2u2 = u2 + 1

Reorder the terms:
25 + -8u + 2u2 = 1 + u2

Solving
25 + -8u + 2u2 = 1 + u2

Solving for variable 'u'.

Reorder the terms:
25 + -1 + -8u + 2u2 + -1u2 = 1 + u2 + -1 + -1u2

Combine like terms: 25 + -1 = 24
24 + -8u + 2u2 + -1u2 = 1 + u2 + -1 + -1u2

Combine like terms: 2u2 + -1u2 = 1u2
24 + -8u + 1u2 = 1 + u2 + -1 + -1u2

Reorder the terms:
24 + -8u + 1u2 = 1 + -1 + u2 + -1u2

Combine like terms: 1 + -1 = 0
24 + -8u + 1u2 = 0 + u2 + -1u2
24 + -8u + 1u2 = u2 + -1u2

Combine like terms: u2 + -1u2 = 0
24 + -8u + 1u2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + -8u + -24 + u2 = 0 + -24

Reorder the terms:
24 + -24 + -8u + u2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -8u + u2 = 0 + -24
-8u + u2 = 0 + -24

Combine like terms: 0 + -24 = -24
-8u + u2 = -24

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 = -24 + 16

Reorder the terms:
16 + -8u + u2 = -24 + 16

Combine like terms: -24 + 16 = -8
16 + -8u + u2 = -8

Factor a perfect square on the left side:
(u + -4)(u + -4) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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