16d^4+7d^2+1=

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Solution for 16d^4+7d^2+1= equation:


Simplifying
16d4 + 7d2 + 1 = 0

Reorder the terms:
1 + 7d2 + 16d4 = 0

Solving
1 + 7d2 + 16d4 = 0

Solving for variable 'd'.

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

Divide each side by '16'.
0.0625 + 0.4375d2 + d4 = 0

Move the constant term to the right:

Add '-0.0625' to each side of the equation.
0.0625 + 0.4375d2 + -0.0625 + d4 = 0 + -0.0625

Reorder the terms:
0.0625 + -0.0625 + 0.4375d2 + d4 = 0 + -0.0625

Combine like terms: 0.0625 + -0.0625 = 0.0000
0.0000 + 0.4375d2 + d4 = 0 + -0.0625
0.4375d2 + d4 = 0 + -0.0625

Combine like terms: 0 + -0.0625 = -0.0625
0.4375d2 + d4 = -0.0625

The d term is 0.4375d2.  Take half its coefficient (0.21875).
Square it (0.0478515625) and add it to both sides.

Add '0.0478515625' to each side of the equation.
0.4375d2 + 0.0478515625 + d4 = -0.0625 + 0.0478515625

Reorder the terms:
0.0478515625 + 0.4375d2 + d4 = -0.0625 + 0.0478515625

Combine like terms: -0.0625 + 0.0478515625 = -0.0146484375
0.0478515625 + 0.4375d2 + d4 = -0.0146484375

Factor a perfect square on the left side:
(d2 + 0.21875)(d2 + 0.21875) = -0.0146484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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