6a^2-28a+147=0

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Solution for 6a^2-28a+147=0 equation:


Simplifying
6a2 + -28a + 147 = 0

Reorder the terms:
147 + -28a + 6a2 = 0

Solving
147 + -28a + 6a2 = 0

Solving for variable 'a'.

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

Divide each side by '6'.
24.5 + -4.666666667a + a2 = 0

Move the constant term to the right:

Add '-24.5' to each side of the equation.
24.5 + -4.666666667a + -24.5 + a2 = 0 + -24.5

Reorder the terms:
24.5 + -24.5 + -4.666666667a + a2 = 0 + -24.5

Combine like terms: 24.5 + -24.5 = 0.0
0.0 + -4.666666667a + a2 = 0 + -24.5
-4.666666667a + a2 = 0 + -24.5

Combine like terms: 0 + -24.5 = -24.5
-4.666666667a + a2 = -24.5

The a term is -4.666666667a.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667a + 5.444444448 + a2 = -24.5 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667a + a2 = -24.5 + 5.444444448

Combine like terms: -24.5 + 5.444444448 = -19.055555552
5.444444448 + -4.666666667a + a2 = -19.055555552

Factor a perfect square on the left side:
(a + -2.333333334)(a + -2.333333334) = -19.055555552

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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