-x^2+4-16=0

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Solution for -x^2+4-16=0 equation:


Simplifying
-1x2 + 4 + -16 = 0

Reorder the terms:
4 + -16 + -1x2 = 0

Combine like terms: 4 + -16 = -12
-12 + -1x2 = 0

Solving
-12 + -1x2 = 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 + -1x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -1x2 = 0 + 12
-1x2 = 0 + 12

Combine like terms: 0 + 12 = 12
-1x2 = 12

Divide each side by '-1'.
x2 = -12

Simplifying
x2 = -12

Reorder the terms:
12 + x2 = -12 + 12

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

The solution to this equation could not be determined.

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