5ab + 7a + 5c + 4ab - 3a -2c + 6b
To simplify the given expression, combine like terms.
Step 1: Group the terms with the same variables together.
5ab + 4ab + 7a - 3a + 5c - 2c + 6b
Step 2: Combine the coefficients of the like terms.
(5 + 4)ab + (7 - 3)a + (5 - 2)c + 6b
Step 3: Simplify the expression by performing the addition/subtraction.
9ab + 4a + 3c + 6b
Therefore, the simplified form of the expression 5ab + 7a + 5c + 4ab - 3a -2c + 6b is 9ab + 4a + 3c + 6b.