4d^2+0b-25=0

Solution for 4d^2+0b-25=0 equation:

Simplifying
4d2 + 0b + -25 = 0

Anything times zero is zero.
4d2 + 0b + -25 = 0

Reorder the terms:
0 + -25 + 4d2 = 0

Combine like terms: 0 + -25 = -25
-25 + 4d2 = 0

Solving
-25 + 4d2 = 0

Solving for variable 'd'.

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

Add '25' to each side of the equation.
-25 + 25 + 4d2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 4d2 = 0 + 25
4d2 = 0 + 25

Combine like terms: 0 + 25 = 25
4d2 = 25

Divide each side by '4'.
d2 = 6.25

Simplifying
d2 = 6.25

Take the square root of each side:
d = {-2.5, 2.5}