12x^2+56=20

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Solution for 12x^2+56=20 equation:


Simplifying
12x2 + 56 = 20

Reorder the terms:
56 + 12x2 = 20

Solving
56 + 12x2 = 20

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 12x2 = 20 + -56

Combine like terms: 56 + -56 = 0
0 + 12x2 = 20 + -56
12x2 = 20 + -56

Combine like terms: 20 + -56 = -36
12x2 = -36

Divide each side by '12'.
x2 = -3

Simplifying
x2 = -3

Reorder the terms:
3 + x2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + x2 = 0

The solution to this equation could not be determined.

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