2a^2+2a+35=0

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Solution for 2a^2+2a+35=0 equation:


Simplifying
2a2 + 2a + 35 = 0

Reorder the terms:
35 + 2a + 2a2 = 0

Solving
35 + 2a + 2a2 = 0

Solving for variable 'a'.

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

Divide each side by '2'.
17.5 + a + a2 = 0

Move the constant term to the right:

Add '-17.5' to each side of the equation.
17.5 + a + -17.5 + a2 = 0 + -17.5

Reorder the terms:
17.5 + -17.5 + a + a2 = 0 + -17.5

Combine like terms: 17.5 + -17.5 = 0.0
0.0 + a + a2 = 0 + -17.5
a + a2 = 0 + -17.5

Combine like terms: 0 + -17.5 = -17.5
a + a2 = -17.5

The a term is a.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + a2 = -17.5 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + a2 = -17.5 + 0.25

Combine like terms: -17.5 + 0.25 = -17.25
1.25 + a2 = -17.25

Factor a perfect square on the left side:
(a + 0.5)(a + 0.5) = -17.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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