-2x^2-20=-4

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Solution for -2x^2-20=-4 equation:


Simplifying
-2x2 + -20 = -4

Reorder the terms:
-20 + -2x2 = -4

Solving
-20 + -2x2 = -4

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -2x2 = -4 + 20

Combine like terms: -20 + 20 = 0
0 + -2x2 = -4 + 20
-2x2 = -4 + 20

Combine like terms: -4 + 20 = 16
-2x2 = 16

Divide each side by '-2'.
x2 = -8

Simplifying
x2 = -8

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

Combine like terms: -8 + 8 = 0
8 + x2 = 0

The solution to this equation could not be determined.

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