7b(9b-5)=

Solution for 7b(9b-5)= equation:

Simplifying
7b(9b + -5) = 0

Reorder the terms:
7b(-5 + 9b) = 0
(-5 * 7b + 9b * 7b) = 0
(-35b + 63b2) = 0

Solving
-35b + 63b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '7b'.
7b(-5 + 9b) = 0

Ignore the factor 7.
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 '(-5 + 9b)' equal to zero and attempt to solve:

Simplifying
-5 + 9b = 0

Solving
-5 + 9b = 0

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

Add '5' to each side of the equation.
-5 + 5 + 9b = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 9b = 0 + 5
9b = 0 + 5

Combine like terms: 0 + 5 = 5
9b = 5

Divide each side by '9'.
b = 0.5555555556

Simplifying
b = 0.5555555556
Solution
b = {0, 0.5555555556}