4a^2+2.25a+1=0

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Solution for 4a^2+2.25a+1=0 equation:


Simplifying
4a2 + 2.25a + 1 = 0

Reorder the terms:
1 + 2.25a + 4a2 = 0

Solving
1 + 2.25a + 4a2 = 0

Solving for variable 'a'.

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

Divide each side by '4'.
0.25 + 0.5625a + a2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + 0.5625a + -0.25 + a2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + 0.5625a + a2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + 0.5625a + a2 = 0 + -0.25
0.5625a + a2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
0.5625a + a2 = -0.25

The a term is 0.5625a.  Take half its coefficient (0.28125).
Square it (0.0791015625) and add it to both sides.

Add '0.0791015625' to each side of the equation.
0.5625a + 0.0791015625 + a2 = -0.25 + 0.0791015625

Reorder the terms:
0.0791015625 + 0.5625a + a2 = -0.25 + 0.0791015625

Combine like terms: -0.25 + 0.0791015625 = -0.1708984375
0.0791015625 + 0.5625a + a2 = -0.1708984375

Factor a perfect square on the left side:
(a + 0.28125)(a + 0.28125) = -0.1708984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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