12=((-3+1)(-3+1))(k)

Solution for 12=((-3+1)(-3+1))(k) equation:

Simplifying
12 = ((-3 + 1)(-3 + 1))(k)

Combine like terms: -3 + 1 = -2
12 = ((-2)(-3 + 1))(k)

Combine like terms: -3 + 1 = -2
12 = (-2(-2))(k)

Multiply -2 * -2
12 = (4)(k)

Solving
12 = 4k

Solving for variable 'k'.

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

Add '-4k' to each side of the equation.
12 + -4k = 4k + -4k

Combine like terms: 4k + -4k = 0
12 + -4k = 0

Add '-12' to each side of the equation.
12 + -12 + -4k = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -4k = 0 + -12
-4k = 0 + -12

Combine like terms: 0 + -12 = -12
-4k = -12

Divide each side by '-4'.
k = 3

Simplifying
k = 3