45=d^2

Solution for 45=d^2 equation:

Simplifying
45 = d2

Solving
45 = 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.
45 + -1d2 = d2 + -1d2

Combine like terms: d2 + -1d2 = 0
45 + -1d2 = 0

Add '-45' to each side of the equation.
45 + -45 + -1d2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -1d2 = 0 + -45
-1d2 = 0 + -45

Combine like terms: 0 + -45 = -45
-1d2 = -45

Divide each side by '-1'.
d2 = 45

Simplifying
d2 = 45

Take the square root of each side:
d = {-6.708203933, 6.708203933}