a^2+2d+1=0

Solution for a^2+2d+1=0 equation:

Simplifying
a2 + 2d + 1 = 0

Reorder the terms:
1 + a2 + 2d = 0

Solving
1 + a2 + 2d = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + a2 + -1 + 2d = 0 + -1

Reorder the terms:
1 + -1 + a2 + 2d = 0 + -1

Combine like terms: 1 + -1 = 0
0 + a2 + 2d = 0 + -1
a2 + 2d = 0 + -1

Combine like terms: 0 + -1 = -1
a2 + 2d = -1

Add '-2d' to each side of the equation.
a2 + 2d + -2d = -1 + -2d

Combine like terms: 2d + -2d = 0
a2 + 0 = -1 + -2d
a2 = -1 + -2d

Simplifying
a2 = -1 + -2d

Reorder the terms:
1 + a2 + 2d = -1 + -2d + 1 + 2d

Reorder the terms:
1 + a2 + 2d = -1 + 1 + -2d + 2d

Combine like terms: -1 + 1 = 0
1 + a2 + 2d = 0 + -2d + 2d
1 + a2 + 2d = -2d + 2d

Combine like terms: -2d + 2d = 0
1 + a2 + 2d = 0

The solution to this equation could not be determined.