2x^2+16-28=0

Solution for 2x^2+16-28=0 equation:

Simplifying
2x2 + 16 + -28 = 0

Reorder the terms:
16 + -28 + 2x2 = 0

Combine like terms: 16 + -28 = -12
-12 + 2x2 = 0

Solving
-12 + 2x2 = 0

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 2x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 2x2 = 0 + 12
2x2 = 0 + 12

Combine like terms: 0 + 12 = 12
2x2 = 12

Divide each side by '2'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}