Question

Which expression is equivalent to 15x + 3?
15(1x + 1)
5(3x + 1)
3(5x + 1)
2(15x + 3)

Answer 1

The answer is 3(5x+1)

Answer 2

It is 3(5x + 1). Multiply 3 with 5 and multiply 3 with 1, then you will get 15x + 3