4w(5w+5)=

Solution for 4w(5w+5)= equation:

Simplifying
4w(5w + 5) = 0

Reorder the terms:
4w(5 + 5w) = 0
(5 * 4w + 5w * 4w) = 0
(20w + 20w2) = 0

Solving
20w + 20w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '20w'.
20w(1 + w) = 0

Ignore the factor 20.
Subproblem 1
Set the factor 'w' equal to zero and attempt to solve:

Simplifying
w = 0

Solving
w = 0

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

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

Simplifying
1 + w = 0

Solving
1 + w = 0

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

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

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

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

Simplifying
w = -1
Solution
w = {0, -1}