-21x-3n^2+12=0

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Solution for -21x-3n^2+12=0 equation:


Simplifying
-21x + -3n2 + 12 = 0

Reorder the terms:
12 + -3n2 + -21x = 0

Solving
12 + -3n2 + -21x = 0

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -3n2 + -12 + -21x = 0 + -12

Reorder the terms:
12 + -12 + -3n2 + -21x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3n2 + -21x = 0 + -12
-3n2 + -21x = 0 + -12

Combine like terms: 0 + -12 = -12
-3n2 + -21x = -12

Add '21x' to each side of the equation.
-3n2 + -21x + 21x = -12 + 21x

Combine like terms: -21x + 21x = 0
-3n2 + 0 = -12 + 21x
-3n2 = -12 + 21x

Divide each side by '-3'.
n2 = 4 + -7x

Simplifying
n2 = 4 + -7x

Reorder the terms:
-4 + n2 + 7x = 4 + -7x + -4 + 7x

Reorder the terms:
-4 + n2 + 7x = 4 + -4 + -7x + 7x

Combine like terms: 4 + -4 = 0
-4 + n2 + 7x = 0 + -7x + 7x
-4 + n2 + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
-4 + n2 + 7x = 0

The solution to this equation could not be determined.

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