3=x^2+3x+6

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Solution for 3=x^2+3x+6 equation: 


Simplifying
3 = x2 + 3x + 6

Reorder the terms:
3 = 6 + 3x + x2

Solving
3 = 6 + 3x + x2

Solving for variable 'x'.

Combine like terms: 3 + -6 = -3
-3 + -3x + -1x2 = 6 + 3x + x2 + -6 + -3x + -1x2

Reorder the terms:
-3 + -3x + -1x2 = 6 + -6 + 3x + -3x + x2 + -1x2

Combine like terms: 6 + -6 = 0
-3 + -3x + -1x2 = 0 + 3x + -3x + x2 + -1x2
-3 + -3x + -1x2 = 3x + -3x + x2 + -1x2

Combine like terms: 3x + -3x = 0
-3 + -3x + -1x2 = 0 + x2 + -1x2
-3 + -3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-3 + -3x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(3 + 3x + x2) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(3 + 3x + x2)' equal to zero and attempt to solve:

Simplifying
3 + 3x + x2 = 0

Solving
3 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 3x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 3x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 3x + x2 = 0 + -3
3x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
3x + x2 = -3

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -3 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -3 + 2.25

Combine like terms: -3 + 2.25 = -0.75
2.25 + 3x + x2 = -0.75

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -0.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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