4ab(3a-7b)=

Solution for 4ab(3a-7b)= equation:

Simplifying
4ab(3a + -7b) = 0
(3a * 4ab + -7b * 4ab) = 0

Reorder the terms:
(-28ab2 + 12a2b) = 0
(-28ab2 + 12a2b) = 0

Solving
-28ab2 + 12a2b = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '4ab'.
4ab(-7b + 3a) = 0

Ignore the factor 4.
Subproblem 1
Set the factor 'ab' equal to zero and attempt to solve:

Simplifying
ab = 0

Solving
ab = 0

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

Simplifying
ab = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Subproblem 2
Set the factor '(-7b + 3a)' equal to zero and attempt to solve:

Simplifying
-7b + 3a = 0

Reorder the terms:
3a + -7b = 0

Solving
3a + -7b = 0

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

Add '7b' to each side of the equation.
3a + -7b + 7b = 0 + 7b

Combine like terms: -7b + 7b = 0
3a + 0 = 0 + 7b
3a = 0 + 7b
Remove the zero:
3a = 7b

Divide each side by '3'.
a = 2.333333333b

Simplifying
a = 2.333333333b
Solution
a = {2.333333333b}