4x^2+4-8=16

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Solution for 4x^2+4-8=16 equation: 


Simplifying
4x2 + 4 + -8 = 16

Reorder the terms:
4 + -8 + 4x2 = 16

Combine like terms: 4 + -8 = -4
-4 + 4x2 = 16

Solving
-4 + 4x2 = 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 + 4x2 = 16 + 4

Combine like terms: -4 + 4 = 0
0 + 4x2 = 16 + 4
4x2 = 16 + 4

Combine like terms: 16 + 4 = 20
4x2 = 20

Divide each side by '4'.
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}

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