(4x^2)-(4)=80

Solution for (4x^2)-(4)=80 equation:

Simplifying
(4x2) + -1(4) = 80

Multiply -1 * 4
(4x2) + -4 = 80

Reorder the terms:
-4 + (4x2) = 80

Solving
-4 + (4x2) = 80

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + (4x2) = 80 + 4

Combine like terms: -4 + 4 = 0
0 + (4x2) = 80 + 4
(4x2) = 80 + 4

Combine like terms: 80 + 4 = 84
(4x2) = 84

Divide each side by '4'.
x2 = 21

Simplifying
x2 = 21

Take the square root of each side:
x = {-4.582575695, 4.582575695}