a^2+8a+29=12

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Solution for a^2+8a+29=12 equation:


Simplifying
a2 + 8a + 29 = 12

Reorder the terms:
29 + 8a + a2 = 12

Solving
29 + 8a + a2 = 12

Solving for variable 'a'.

Reorder the terms:
29 + -12 + 8a + a2 = 12 + -12

Combine like terms: 29 + -12 = 17
17 + 8a + a2 = 12 + -12

Combine like terms: 12 + -12 = 0
17 + 8a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + 8a + -17 + a2 = 0 + -17

Reorder the terms:
17 + -17 + 8a + a2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 8a + a2 = 0 + -17
8a + a2 = 0 + -17

Combine like terms: 0 + -17 = -17
8a + a2 = -17

The a term is 8a.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8a + 16 + a2 = -17 + 16

Reorder the terms:
16 + 8a + a2 = -17 + 16

Combine like terms: -17 + 16 = -1
16 + 8a + a2 = -1

Factor a perfect square on the left side:
(a + 4)(a + 4) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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