x^2+8x+4=-46

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Solution for x^2+8x+4=-46 equation:


Simplifying
x2 + 8x + 4 = -46

Reorder the terms:
4 + 8x + x2 = -46

Solving
4 + 8x + x2 = -46

Solving for variable 'x'.

Reorder the terms:
4 + 46 + 8x + x2 = -46 + 46

Combine like terms: 4 + 46 = 50
50 + 8x + x2 = -46 + 46

Combine like terms: -46 + 46 = 0
50 + 8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-50' to each side of the equation.
50 + 8x + -50 + x2 = 0 + -50

Reorder the terms:
50 + -50 + 8x + x2 = 0 + -50

Combine like terms: 50 + -50 = 0
0 + 8x + x2 = 0 + -50
8x + x2 = 0 + -50

Combine like terms: 0 + -50 = -50
8x + x2 = -50

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

Add '16' to each side of the equation.
8x + 16 + x2 = -50 + 16

Reorder the terms:
16 + 8x + x2 = -50 + 16

Combine like terms: -50 + 16 = -34
16 + 8x + x2 = -34

Factor a perfect square on the left side:
(x + 4)(x + 4) = -34

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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