x^2+6x=-45

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Solution for x^2+6x=-45 equation:


Simplifying
x2 + 6x = -45

Reorder the terms:
6x + x2 = -45

Solving
6x + x2 = -45

Solving for variable 'x'.

Reorder the terms:
45 + 6x + x2 = -45 + 45

Combine like terms: -45 + 45 = 0
45 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + 6x + -45 + x2 = 0 + -45

Reorder the terms:
45 + -45 + 6x + x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 6x + x2 = 0 + -45
6x + x2 = 0 + -45

Combine like terms: 0 + -45 = -45
6x + x2 = -45

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -45 + 9

Reorder the terms:
9 + 6x + x2 = -45 + 9

Combine like terms: -45 + 9 = -36
9 + 6x + x2 = -36

Factor a perfect square on the left side:
(x + 3)(x + 3) = -36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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