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Simplifying
(2x2) + -4 = 16
Reorder the terms:
-4 + (2x2) = 16
Solving
-4 + (2x2) = 16
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 + (2x2) = 16 + 4
Combine like terms: -4 + 4 = 0
0 + (2x2) = 16 + 4
(2x2) = 16 + 4
Combine like terms: 16 + 4 = 20
(2x2) = 20
Divide each side by '2'.
x2 = 10
Simplifying
x2 = 10
Take the square root of each side:
x = {-3.16227766, 3.16227766}
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