x^2+7x+57=0

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Solution for x^2+7x+57=0 equation:


Simplifying
x2 + 7x + 57 = 0

Reorder the terms:
57 + 7x + x2 = 0

Solving
57 + 7x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-57' to each side of the equation.
57 + 7x + -57 + x2 = 0 + -57

Reorder the terms:
57 + -57 + 7x + x2 = 0 + -57

Combine like terms: 57 + -57 = 0
0 + 7x + x2 = 0 + -57
7x + x2 = 0 + -57

Combine like terms: 0 + -57 = -57
7x + x2 = -57

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 = -57 + 12.25

Reorder the terms:
12.25 + 7x + x2 = -57 + 12.25

Combine like terms: -57 + 12.25 = -44.75
12.25 + 7x + x2 = -44.75

Factor a perfect square on the left side:
(x + 3.5)(x + 3.5) = -44.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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