2x^2-1-3rd=0

Solution for 2x^2-1-3rd=0 equation:

Simplifying
2x2 + -1 + -3rd = 0

Reorder the terms:
-1 + -3dr + 2x2 = 0

Solving
-1 + -3dr + 2x2 = 0

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + -3dr + 1 + 2x2 = 0 + 1

Reorder the terms:
-1 + 1 + -3dr + 2x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -3dr + 2x2 = 0 + 1
-3dr + 2x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-3dr + 2x2 = 1

Add '-2x2' to each side of the equation.
-3dr + 2x2 + -2x2 = 1 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-3dr + 0 = 1 + -2x2
-3dr = 1 + -2x2

Divide each side by '-3r'.
d = -0.3333333333r-1 + 0.6666666667r-1x2

Simplifying
d = -0.3333333333r-1 + 0.6666666667r-1x2