80=3x^2+5

Solution for 80=3x^2+5 equation:

Simplifying
80 = 3x2 + 5

Reorder the terms:
80 = 5 + 3x2

Solving
80 = 5 + 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
80 + -3x2 = 5 + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
80 + -3x2 = 5 + 0
80 + -3x2 = 5

Add '-80' to each side of the equation.
80 + -80 + -3x2 = 5 + -80

Combine like terms: 80 + -80 = 0
0 + -3x2 = 5 + -80
-3x2 = 5 + -80

Combine like terms: 5 + -80 = -75
-3x2 = -75

Divide each side by '-3'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}