3x^2-12=2x^2-1

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Solution for 3x^2-12=2x^2-1 equation:


Simplifying
3x2 + -12 = 2x2 + -1

Reorder the terms:
-12 + 3x2 = 2x2 + -1

Reorder the terms:
-12 + 3x2 = -1 + 2x2

Solving
-12 + 3x2 = -1 + 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
-12 + 3x2 + -2x2 = -1 + 2x2 + -2x2

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

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

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

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

Combine like terms: -1 + 12 = 11
1x2 = 11

Divide each side by '1'.
x2 = 11

Simplifying
x2 = 11

Take the square root of each side:
x = {-3.31662479, 3.31662479}

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