7b(-6b-4)=

Solution for 7b(-6b-4)= equation:

Simplifying
7b(-6b + -4) = 0

Reorder the terms:
7b(-4 + -6b) = 0
(-4 * 7b + -6b * 7b) = 0
(-28b + -42b2) = 0

Solving
-28b + -42b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '-14b'.
-14b(2 + 3b) = 0

Ignore the factor -14.
Subproblem 1
Set the factor 'b' equal to zero and attempt to solve:

Simplifying
b = 0

Solving
b = 0

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

Simplifying
b = 0
Subproblem 2
Set the factor '(2 + 3b)' equal to zero and attempt to solve:

Simplifying
2 + 3b = 0

Solving
2 + 3b = 0

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

Add '-2' to each side of the equation.
2 + -2 + 3b = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3b = 0 + -2
3b = 0 + -2

Combine like terms: 0 + -2 = -2
3b = -2

Divide each side by '3'.
b = -0.6666666667

Simplifying
b = -0.6666666667
Solution
b = {0, -0.6666666667}