25=d^2

Solution for 25=d^2 equation:

Simplifying
25 = d2

Solving
25 = d2

Solving for variable 'd'.

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

Add '-1d2' to each side of the equation.
25 + -1d2 = d2 + -1d2

Combine like terms: d2 + -1d2 = 0
25 + -1d2 = 0

Add '-25' to each side of the equation.
25 + -25 + -1d2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -1d2 = 0 + -25
-1d2 = 0 + -25

Combine like terms: 0 + -25 = -25
-1d2 = -25

Divide each side by '-1'.
d2 = 25

Simplifying
d2 = 25

Take the square root of each side:
d = {-5, 5}