10=d^2+3

Solution for 10=d^2+3 equation:

Simplifying
10 = d2 + 3

Reorder the terms:
10 = 3 + d2

Solving
10 = 3 + 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.
10 + -1d2 = 3 + d2 + -1d2

Combine like terms: d2 + -1d2 = 0
10 + -1d2 = 3 + 0
10 + -1d2 = 3

Add '-10' to each side of the equation.
10 + -10 + -1d2 = 3 + -10

Combine like terms: 10 + -10 = 0
0 + -1d2 = 3 + -10
-1d2 = 3 + -10

Combine like terms: 3 + -10 = -7
-1d2 = -7

Divide each side by '-1'.
d2 = 7

Simplifying
d2 = 7

Take the square root of each side:
d = {-2.645751311, 2.645751311}