5x^2+30-80=0

Solution for 5x^2+30-80=0 equation:

Simplifying
5x2 + 30 + -80 = 0

Reorder the terms:
30 + -80 + 5x2 = 0

Combine like terms: 30 + -80 = -50
-50 + 5x2 = 0

Solving
-50 + 5x2 = 0

Solving for variable 'x'.

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

Add '50' to each side of the equation.
-50 + 50 + 5x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + 5x2 = 0 + 50
5x2 = 0 + 50

Combine like terms: 0 + 50 = 50
5x2 = 50

Divide each side by '5'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}