x^2+8x+54=-4

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Solution for x^2+8x+54=-4 equation:


Simplifying
x2 + 8x + 54 = -4

Reorder the terms:
54 + 8x + x2 = -4

Solving
54 + 8x + x2 = -4

Solving for variable 'x'.

Reorder the terms:
54 + 4 + 8x + x2 = -4 + 4

Combine like terms: 54 + 4 = 58
58 + 8x + x2 = -4 + 4

Combine like terms: -4 + 4 = 0
58 + 8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-58' to each side of the equation.
58 + 8x + -58 + x2 = 0 + -58

Reorder the terms:
58 + -58 + 8x + x2 = 0 + -58

Combine like terms: 58 + -58 = 0
0 + 8x + x2 = 0 + -58
8x + x2 = 0 + -58

Combine like terms: 0 + -58 = -58
8x + x2 = -58

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 = -58 + 16

Reorder the terms:
16 + 8x + x2 = -58 + 16

Combine like terms: -58 + 16 = -42
16 + 8x + x2 = -42

Factor a perfect square on the left side:
(x + 4)(x + 4) = -42

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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