25c^2d^2-1=

Solution for 25c^2d^2-1= equation:

Simplifying
25c2d2 + -1 = 0

Reorder the terms:
-1 + 25c2d2 = 0

Solving
-1 + 25c2d2 = 0

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 1 + 25c2d2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 25c2d2 = 0 + 1
25c2d2 = 0 + 1

Combine like terms: 0 + 1 = 1
25c2d2 = 1

Divide each side by '25d2'.
c2 = 0.04d-2

Simplifying
c2 = 0.04d-2

Take the square root of each side:
c = {-0.2d-1, 0.2d-1}