The equation is .

Subtract from each side.

Combine like terms using distributive property: .

Apply zero product property: If ab = 0 then a = 0, b = 0.

First .

Second.

Apply addition property of equality: If a = b then a + b = b + a.

Add 3m to each side.

Divide each side by 3.

Check:

To check the solution substitute m = 0 in .

The first solution m = 0 is true.

To check the solution substitute in .

The second solution is true.

The values of m = 0, .