4x^2+x=-11

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Solution for 4x^2+x=-11 equation:


Simplifying
4x2 + x = -11

Reorder the terms:
x + 4x2 = -11

Solving
x + 4x2 = -11

Solving for variable 'x'.

Reorder the terms:
11 + x + 4x2 = -11 + 11

Combine like terms: -11 + 11 = 0
11 + x + 4x2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
2.75 + 0.25x + x2 = 0

Move the constant term to the right:

Add '-2.75' to each side of the equation.
2.75 + 0.25x + -2.75 + x2 = 0 + -2.75

Reorder the terms:
2.75 + -2.75 + 0.25x + x2 = 0 + -2.75

Combine like terms: 2.75 + -2.75 = 0.00
0.00 + 0.25x + x2 = 0 + -2.75
0.25x + x2 = 0 + -2.75

Combine like terms: 0 + -2.75 = -2.75
0.25x + x2 = -2.75

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.25x + 0.25 + x2 = -2.75 + 0.25

Reorder the terms:
0.25 + 0.25x + x2 = -2.75 + 0.25

Combine like terms: -2.75 + 0.25 = -2.5
0.25 + 0.25x + x2 = -2.5

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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