7d^2-6=17

Solution for 7d^2-6=17 equation:

Simplifying
7d2 + -6 = 17

Reorder the terms:
-6 + 7d2 = 17

Solving
-6 + 7d2 = 17

Solving for variable 'd'.

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

Add '6' to each side of the equation.
-6 + 6 + 7d2 = 17 + 6

Combine like terms: -6 + 6 = 0
0 + 7d2 = 17 + 6
7d2 = 17 + 6

Combine like terms: 17 + 6 = 23
7d2 = 23

Divide each side by '7'.
d2 = 3.285714286

Simplifying
d2 = 3.285714286

Take the square root of each side:
d = {-1.812653934, 1.812653934}