8a^2+3=387

Solution for 8a^2+3=387 equation:

Simplifying
8a2 + 3 = 387

Reorder the terms:
3 + 8a2 = 387

Solving
3 + 8a2 = 387

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 8a2 = 387 + -3

Combine like terms: 3 + -3 = 0
0 + 8a2 = 387 + -3
8a2 = 387 + -3

Combine like terms: 387 + -3 = 384
8a2 = 384

Divide each side by '8'.
a2 = 48

Simplifying
a2 = 48

Take the square root of each side:
a = {-6.92820323, 6.92820323}