70.56+57.76=n(n)

Solution for 70.56+57.76=n(n) equation:

Simplifying
70.56 + 57.76 = n(n)

Combine like terms: 70.56 + 57.76 = 128.32
128.32 = n(n)

Multiply n * n
128.32 = n2

Solving
128.32 = n2

Solving for variable 'n'.

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

Add '-1n2' to each side of the equation.
128.32 + -1n2 = n2 + -1n2

Combine like terms: n2 + -1n2 = 0
128.32 + -1n2 = 0

Add '-128.32' to each side of the equation.
128.32 + -128.32 + -1n2 = 0 + -128.32

Combine like terms: 128.32 + -128.32 = 0.00
0.00 + -1n2 = 0 + -128.32
-1n2 = 0 + -128.32

Combine like terms: 0 + -128.32 = -128.32
-1n2 = -128.32

Divide each side by '-1'.
n2 = 128.32

Simplifying
n2 = 128.32

Take the square root of each side:
n = {-11.327841807, 11.327841807}