49+441=d^2

Solution for 49+441=d^2 equation:

Simplifying
49 + 441 = d2

Combine like terms: 49 + 441 = 490
490 = d2

Solving
490 = 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.
490 + -1d2 = d2 + -1d2

Combine like terms: d2 + -1d2 = 0
490 + -1d2 = 0

Add '-490' to each side of the equation.
490 + -490 + -1d2 = 0 + -490

Combine like terms: 490 + -490 = 0
0 + -1d2 = 0 + -490
-1d2 = 0 + -490

Combine like terms: 0 + -490 = -490
-1d2 = -490

Divide each side by '-1'.
d2 = 490

Simplifying
d2 = 490

Take the square root of each side:
d = {-22.135943621, 22.135943621}