x^2+9x+15+81=11

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Solution for x^2+9x+15+81=11 equation:


Simplifying
x2 + 9x + 15 + 81 = 11

Reorder the terms:
15 + 81 + 9x + x2 = 11

Combine like terms: 15 + 81 = 96
96 + 9x + x2 = 11

Solving
96 + 9x + x2 = 11

Solving for variable 'x'.

Reorder the terms:
96 + -11 + 9x + x2 = 11 + -11

Combine like terms: 96 + -11 = 85
85 + 9x + x2 = 11 + -11

Combine like terms: 11 + -11 = 0
85 + 9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-85' to each side of the equation.
85 + 9x + -85 + x2 = 0 + -85

Reorder the terms:
85 + -85 + 9x + x2 = 0 + -85

Combine like terms: 85 + -85 = 0
0 + 9x + x2 = 0 + -85
9x + x2 = 0 + -85

Combine like terms: 0 + -85 = -85
9x + x2 = -85

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 = -85 + 20.25

Reorder the terms:
20.25 + 9x + x2 = -85 + 20.25

Combine like terms: -85 + 20.25 = -64.75
20.25 + 9x + x2 = -64.75

Factor a perfect square on the left side:
(x + 4.5)(x + 4.5) = -64.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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