21x^2+12=0

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Solution for 21x^2+12=0 equation:


Simplifying
21x2 + 12 = 0

Reorder the terms:
12 + 21x2 = 0

Solving
12 + 21x2 = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 21x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 21x2 = 0 + -12
21x2 = 0 + -12

Combine like terms: 0 + -12 = -12
21x2 = -12

Divide each side by '21'.
x2 = -0.5714285714

Simplifying
x2 = -0.5714285714

Reorder the terms:
0.5714285714 + x2 = -0.5714285714 + 0.5714285714

Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000
0.5714285714 + x2 = 0.0000000000

The solution to this equation could not be determined.

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