-3k(2k+7)=

Solution for -3k(2k+7)= equation:

Simplifying
-3k(2k + 7) = 0

Reorder the terms:
-3k(7 + 2k) = 0
(7 * -3k + 2k * -3k) = 0
(-21k + -6k2) = 0

Solving
-21k + -6k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '-3k'.
-3k(7 + 2k) = 0

Ignore the factor -3.
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 '(7 + 2k)' equal to zero and attempt to solve:

Simplifying
7 + 2k = 0

Solving
7 + 2k = 0

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

Add '-7' to each side of the equation.
7 + -7 + 2k = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2k = 0 + -7
2k = 0 + -7

Combine like terms: 0 + -7 = -7
2k = -7

Divide each side by '2'.
k = -3.5

Simplifying
k = -3.5
Solution
k = {0, -3.5}