3x^2+225=21

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Solution for 3x^2+225=21 equation:


Simplifying
3x2 + 225 = 21

Reorder the terms:
225 + 3x2 = 21

Solving
225 + 3x2 = 21

Solving for variable 'x'.

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

Add '-225' to each side of the equation.
225 + -225 + 3x2 = 21 + -225

Combine like terms: 225 + -225 = 0
0 + 3x2 = 21 + -225
3x2 = 21 + -225

Combine like terms: 21 + -225 = -204
3x2 = -204

Divide each side by '3'.
x2 = -68

Simplifying
x2 = -68

Reorder the terms:
68 + x2 = -68 + 68

Combine like terms: -68 + 68 = 0
68 + x2 = 0

The solution to this equation could not be determined.

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