3x^2+28=23

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Solution for 3x^2+28=23 equation:


Simplifying
3x2 + 28 = 23

Reorder the terms:
28 + 3x2 = 23

Solving
28 + 3x2 = 23

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 3x2 = 23 + -28

Combine like terms: 28 + -28 = 0
0 + 3x2 = 23 + -28
3x2 = 23 + -28

Combine like terms: 23 + -28 = -5
3x2 = -5

Divide each side by '3'.
x2 = -1.666666667

Simplifying
x2 = -1.666666667

Reorder the terms:
1.666666667 + x2 = -1.666666667 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
1.666666667 + x2 = 0.000000000

The solution to this equation could not be determined.

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