-3b(-1+2b)-7b(2+3b)=

Solution for -3b(-1+2b)-7b(2+3b)= equation:

Simplifying
-3b(-1 + 2b) + -7b(2 + 3b) = 0
(-1 * -3b + 2b * -3b) + -7b(2 + 3b) = 0
(3b + -6b2) + -7b(2 + 3b) = 0
3b + -6b2 + (2 * -7b + 3b * -7b) = 0
3b + -6b2 + (-14b + -21b2) = 0

Reorder the terms:
3b + -14b + -6b2 + -21b2 = 0

Combine like terms: 3b + -14b = -11b
-11b + -6b2 + -21b2 = 0

Combine like terms: -6b2 + -21b2 = -27b2
-11b + -27b2 = 0

Solving
-11b + -27b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '-1b'.
-1b(11 + 27b) = 0

Ignore the factor -1.
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 '(11 + 27b)' equal to zero and attempt to solve:

Simplifying
11 + 27b = 0

Solving
11 + 27b = 0

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

Add '-11' to each side of the equation.
11 + -11 + 27b = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 27b = 0 + -11
27b = 0 + -11

Combine like terms: 0 + -11 = -11
27b = -11

Divide each side by '27'.
b = -0.4074074074

Simplifying
b = -0.4074074074
Solution
b = {0, -0.4074074074}