8a^2=3a-5

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Solution for 8a^2=3a-5 equation:


Simplifying
8a2 = 3a + -5

Reorder the terms:
8a2 = -5 + 3a

Solving
8a2 = -5 + 3a

Solving for variable 'a'.

Reorder the terms:
5 + -3a + 8a2 = -5 + 3a + 5 + -3a

Reorder the terms:
5 + -3a + 8a2 = -5 + 5 + 3a + -3a

Combine like terms: -5 + 5 = 0
5 + -3a + 8a2 = 0 + 3a + -3a
5 + -3a + 8a2 = 3a + -3a

Combine like terms: 3a + -3a = 0
5 + -3a + 8a2 = 0

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

Divide each side by '8'.
0.625 + -0.375a + a2 = 0

Move the constant term to the right:

Add '-0.625' to each side of the equation.
0.625 + -0.375a + -0.625 + a2 = 0 + -0.625

Reorder the terms:
0.625 + -0.625 + -0.375a + a2 = 0 + -0.625

Combine like terms: 0.625 + -0.625 = 0.000
0.000 + -0.375a + a2 = 0 + -0.625
-0.375a + a2 = 0 + -0.625

Combine like terms: 0 + -0.625 = -0.625
-0.375a + a2 = -0.625

The a term is -0.375a.  Take half its coefficient (-0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
-0.375a + 0.03515625 + a2 = -0.625 + 0.03515625

Reorder the terms:
0.03515625 + -0.375a + a2 = -0.625 + 0.03515625

Combine like terms: -0.625 + 0.03515625 = -0.58984375
0.03515625 + -0.375a + a2 = -0.58984375

Factor a perfect square on the left side:
(a + -0.1875)(a + -0.1875) = -0.58984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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