3x^2+12=x^2-20

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Solution for 3x^2+12=x^2-20 equation:


Simplifying
3x2 + 12 = x2 + -20

Reorder the terms:
12 + 3x2 = x2 + -20

Reorder the terms:
12 + 3x2 = -20 + x2

Solving
12 + 3x2 = -20 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
12 + 3x2 + -1x2 = -20 + x2 + -1x2

Combine like terms: 3x2 + -1x2 = 2x2
12 + 2x2 = -20 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
12 + 2x2 = -20 + 0
12 + 2x2 = -20

Add '-12' to each side of the equation.
12 + -12 + 2x2 = -20 + -12

Combine like terms: 12 + -12 = 0
0 + 2x2 = -20 + -12
2x2 = -20 + -12

Combine like terms: -20 + -12 = -32
2x2 = -32

Divide each side by '2'.
x2 = -16

Simplifying
x2 = -16

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

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

The solution to this equation could not be determined.

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