x^2+9x+4=-45

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Solution for x^2+9x+4=-45 equation:


Simplifying
x2 + 9x + 4 = -45

Reorder the terms:
4 + 9x + x2 = -45

Solving
4 + 9x + x2 = -45

Solving for variable 'x'.

Reorder the terms:
4 + 45 + 9x + x2 = -45 + 45

Combine like terms: 4 + 45 = 49
49 + 9x + x2 = -45 + 45

Combine like terms: -45 + 45 = 0
49 + 9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-49' to each side of the equation.
49 + 9x + -49 + x2 = 0 + -49

Reorder the terms:
49 + -49 + 9x + x2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + 9x + x2 = 0 + -49
9x + x2 = 0 + -49

Combine like terms: 0 + -49 = -49
9x + x2 = -49

The x term is 9x.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9x + 20.25 + x2 = -49 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -49 + 20.25

Combine like terms: -49 + 20.25 = -28.75
20.25 + 9x + x2 = -28.75

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -28.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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