8x^2+3=51

Solution for 8x^2+3=51 equation:

Simplifying
8x2 + 3 = 51

Reorder the terms:
3 + 8x2 = 51

Solving
3 + 8x2 = 51

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x2 = 51 + -3

Combine like terms: 3 + -3 = 0
0 + 8x2 = 51 + -3
8x2 = 51 + -3

Combine like terms: 51 + -3 = 48
8x2 = 48

Divide each side by '8'.
x2 = 6

Simplifying
x2 = 6

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