Can you tell me the answer and how you reached it please?

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

Ihave trouble finding the nth term of a linear sequence

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)