-2n^2+9=-4n^2-4

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Solution for -2n^2+9=-4n^2-4 equation:


Simplifying
-2n2 + 9 = -4n2 + -4

Reorder the terms:
9 + -2n2 = -4n2 + -4

Reorder the terms:
9 + -2n2 = -4 + -4n2

Solving
9 + -2n2 = -4 + -4n2

Solving for variable 'n'.

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

Add '4n2' to each side of the equation.
9 + -2n2 + 4n2 = -4 + -4n2 + 4n2

Combine like terms: -2n2 + 4n2 = 2n2
9 + 2n2 = -4 + -4n2 + 4n2

Combine like terms: -4n2 + 4n2 = 0
9 + 2n2 = -4 + 0
9 + 2n2 = -4

Add '-9' to each side of the equation.
9 + -9 + 2n2 = -4 + -9

Combine like terms: 9 + -9 = 0
0 + 2n2 = -4 + -9
2n2 = -4 + -9

Combine like terms: -4 + -9 = -13
2n2 = -13

Divide each side by '2'.
n2 = -6.5

Simplifying
n2 = -6.5

Reorder the terms:
6.5 + n2 = -6.5 + 6.5

Combine like terms: -6.5 + 6.5 = 0.0
6.5 + n2 = 0.0

The solution to this equation could not be determined.

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