12x^2-21=-9n

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Solution for 12x^2-21=-9n equation:


Simplifying
12x2 + -21 = -9n

Reorder the terms:
-21 + 12x2 = -9n

Solving
-21 + 12x2 = -9n

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 12x2 = 21 + -9n

Combine like terms: -21 + 21 = 0
0 + 12x2 = 21 + -9n
12x2 = 21 + -9n

Divide each side by '12'.
x2 = 1.75 + -0.75n

Simplifying
x2 = 1.75 + -0.75n

Reorder the terms:
-1.75 + 0.75n + x2 = 1.75 + -0.75n + -1.75 + 0.75n

Reorder the terms:
-1.75 + 0.75n + x2 = 1.75 + -1.75 + -0.75n + 0.75n

Combine like terms: 1.75 + -1.75 = 0.00
-1.75 + 0.75n + x2 = 0.00 + -0.75n + 0.75n
-1.75 + 0.75n + x2 = -0.75n + 0.75n

Combine like terms: -0.75n + 0.75n = 0.00
-1.75 + 0.75n + x2 = 0.00

The solution to this equation could not be determined.

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