x^2+8x+16=x+2

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Solution for x^2+8x+16=x+2 equation:


Simplifying
x2 + 8x + 16 = x + 2

Reorder the terms:
16 + 8x + x2 = x + 2

Reorder the terms:
16 + 8x + x2 = 2 + x

Solving
16 + 8x + x2 = 2 + x

Solving for variable 'x'.

Reorder the terms:
16 + -2 + 8x + -1x + x2 = 2 + x + -2 + -1x

Combine like terms: 16 + -2 = 14
14 + 8x + -1x + x2 = 2 + x + -2 + -1x

Combine like terms: 8x + -1x = 7x
14 + 7x + x2 = 2 + x + -2 + -1x

Reorder the terms:
14 + 7x + x2 = 2 + -2 + x + -1x

Combine like terms: 2 + -2 = 0
14 + 7x + x2 = 0 + x + -1x
14 + 7x + x2 = x + -1x

Combine like terms: x + -1x = 0
14 + 7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + 7x + -14 + x2 = 0 + -14

Reorder the terms:
14 + -14 + 7x + x2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 7x + x2 = 0 + -14
7x + x2 = 0 + -14

Combine like terms: 0 + -14 = -14
7x + x2 = -14

The x term is 7x.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7x + 12.25 + x2 = -14 + 12.25

Reorder the terms:
12.25 + 7x + x2 = -14 + 12.25

Combine like terms: -14 + 12.25 = -1.75
12.25 + 7x + x2 = -1.75

Factor a perfect square on the left side:
(x + 3.5)(x + 3.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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