5a^2+12a+14=0

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Solution for 5a^2+12a+14=0 equation:


Simplifying
5a2 + 12a + 14 = 0

Reorder the terms:
14 + 12a + 5a2 = 0

Solving
14 + 12a + 5a2 = 0

Solving for variable 'a'.

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

Divide each side by '5'.
2.8 + 2.4a + a2 = 0

Move the constant term to the right:

Add '-2.8' to each side of the equation.
2.8 + 2.4a + -2.8 + a2 = 0 + -2.8

Reorder the terms:
2.8 + -2.8 + 2.4a + a2 = 0 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 2.4a + a2 = 0 + -2.8
2.4a + a2 = 0 + -2.8

Combine like terms: 0 + -2.8 = -2.8
2.4a + a2 = -2.8

The a term is 2.4a.  Take half its coefficient (1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
2.4a + 1.44 + a2 = -2.8 + 1.44

Reorder the terms:
1.44 + 2.4a + a2 = -2.8 + 1.44

Combine like terms: -2.8 + 1.44 = -1.36
1.44 + 2.4a + a2 = -1.36

Factor a perfect square on the left side:
(a + 1.2)(a + 1.2) = -1.36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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