b(b+4)=32

Solution for b(b+4)=32 equation:

Simplifying
b(b + 4) = 32

Reorder the terms:
b(4 + b) = 32
(4 * b + b * b) = 32
(4b + b2) = 32

Solving
4b + b2 = 32

Solving for variable 'b'.

Reorder the terms:
-32 + 4b + b2 = 32 + -32

Combine like terms: 32 + -32 = 0
-32 + 4b + b2 = 0

Factor a trinomial.
(-8 + -1b)(4 + -1b) = 0

Subproblem 1
Set the factor '(-8 + -1b)' equal to zero and attempt to solve:

Simplifying
-8 + -1b = 0

Solving
-8 + -1b = 0

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

Add '8' to each side of the equation.
-8 + 8 + -1b = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1b = 0 + 8
-1b = 0 + 8

Combine like terms: 0 + 8 = 8
-1b = 8

Divide each side by '-1'.
b = -8

Simplifying
b = -8
Subproblem 2
Set the factor '(4 + -1b)' equal to zero and attempt to solve:

Simplifying
4 + -1b = 0

Solving
4 + -1b = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1b = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1b = 0 + -4
-1b = 0 + -4

Combine like terms: 0 + -4 = -4
-1b = -4

Divide each side by '-1'.
b = 4

Simplifying
b = 4
Solution
b = {-8, 4}