-n(3n+4n)=28

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Solution for -n(3n+4n)=28 equation:


Simplifying
-1n(3n + 4n) = 28

Combine like terms: 3n + 4n = 7n
-1n(7n) = 28

Remove parenthesis around (7n)
-1n * 7n = 28

Reorder the terms for easier multiplication:
-1 * 7n * n = 28

Multiply -1 * 7
-7n * n = 28

Multiply n * n
-7n2 = 28

Solving
-7n2 = 28

Solving for variable 'n'.

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

Divide each side by '-7'.
n2 = -4

Simplifying
n2 = -4

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

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

The solution to this equation could not be determined.

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