3x^2+75=21

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Solution for 3x^2+75=21 equation:


Simplifying
3x2 + 75 = 21

Reorder the terms:
75 + 3x2 = 21

Solving
75 + 3x2 = 21

Solving for variable 'x'.

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

Add '-75' to each side of the equation.
75 + -75 + 3x2 = 21 + -75

Combine like terms: 75 + -75 = 0
0 + 3x2 = 21 + -75
3x2 = 21 + -75

Combine like terms: 21 + -75 = -54
3x2 = -54

Divide each side by '3'.
x2 = -18

Simplifying
x2 = -18

Reorder the terms:
18 + x2 = -18 + 18

Combine like terms: -18 + 18 = 0
18 + x2 = 0

The solution to this equation could not be determined.

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