4x^2+20x+25=-2

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Solution for 4x^2+20x+25=-2 equation:


Simplifying
4x2 + 20x + 25 = -2

Reorder the terms:
25 + 20x + 4x2 = -2

Solving
25 + 20x + 4x2 = -2

Solving for variable 'x'.

Reorder the terms:
25 + 2 + 20x + 4x2 = -2 + 2

Combine like terms: 25 + 2 = 27
27 + 20x + 4x2 = -2 + 2

Combine like terms: -2 + 2 = 0
27 + 20x + 4x2 = 0

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

Divide each side by '4'.
6.75 + 5x + x2 = 0

Move the constant term to the right:

Add '-6.75' to each side of the equation.
6.75 + 5x + -6.75 + x2 = 0 + -6.75

Reorder the terms:
6.75 + -6.75 + 5x + x2 = 0 + -6.75

Combine like terms: 6.75 + -6.75 = 0.00
0.00 + 5x + x2 = 0 + -6.75
5x + x2 = 0 + -6.75

Combine like terms: 0 + -6.75 = -6.75
5x + x2 = -6.75

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -6.75 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -6.75 + 6.25

Combine like terms: -6.75 + 6.25 = -0.5
6.25 + 5x + x2 = -0.5

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

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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