2b^2+6=18

Solution for 2b^2+6=18 equation:

Simplifying
2b2 + 6 = 18

Reorder the terms:
6 + 2b2 = 18

Solving
6 + 2b2 = 18

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 2b2 = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 2b2 = 18 + -6
2b2 = 18 + -6

Combine like terms: 18 + -6 = 12
2b2 = 12

Divide each side by '2'.
b2 = 6

Simplifying
b2 = 6

Take the square root of each side:
b = {-2.449489743, 2.449489743}