-9k(-7k+7)=

Solution for -9k(-7k+7)= equation:

Simplifying
-9k(-7k + 7) = 0

Reorder the terms:
-9k(7 + -7k) = 0
(7 * -9k + -7k * -9k) = 0
(-63k + 63k2) = 0

Solving
-63k + 63k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '63k'.
63k(-1 + k) = 0

Ignore the factor 63.
Subproblem 1
Set the factor 'k' equal to zero and attempt to solve:

Simplifying
k = 0

Solving
k = 0

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

Simplifying
k = 0
Subproblem 2
Set the factor '(-1 + k)' equal to zero and attempt to solve:

Simplifying
-1 + k = 0

Solving
-1 + k = 0

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

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

Combine like terms: -1 + 1 = 0
0 + k = 0 + 1
k = 0 + 1

Combine like terms: 0 + 1 = 1
k = 1

Simplifying
k = 1
Solution
k = {0, 1}