x(x+10)=-73

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Solution for x(x+10)=-73 equation:


Simplifying
x(x + 10) = -73

Reorder the terms:
x(10 + x) = -73
(10 * x + x * x) = -73
(10x + x2) = -73

Solving
10x + x2 = -73

Solving for variable 'x'.

Reorder the terms:
73 + 10x + x2 = -73 + 73

Combine like terms: -73 + 73 = 0
73 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-73' to each side of the equation.
73 + 10x + -73 + x2 = 0 + -73

Reorder the terms:
73 + -73 + 10x + x2 = 0 + -73

Combine like terms: 73 + -73 = 0
0 + 10x + x2 = 0 + -73
10x + x2 = 0 + -73

Combine like terms: 0 + -73 = -73
10x + x2 = -73

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -73 + 25

Reorder the terms:
25 + 10x + x2 = -73 + 25

Combine like terms: -73 + 25 = -48
25 + 10x + x2 = -48

Factor a perfect square on the left side:
(x + 5)(x + 5) = -48

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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