x^2+9x+30=5

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Solution for x^2+9x+30=5 equation:


Simplifying
x2 + 9x + 30 = 5

Reorder the terms:
30 + 9x + x2 = 5

Solving
30 + 9x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
30 + -5 + 9x + x2 = 5 + -5

Combine like terms: 30 + -5 = 25
25 + 9x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
25 + 9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 9x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + 9x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 9x + x2 = 0 + -25
9x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
9x + x2 = -25

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 = -25 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -25 + 20.25

Combine like terms: -25 + 20.25 = -4.75
20.25 + 9x + x2 = -4.75

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -4.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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