Question

Is -2(3-4d+c) equivalent to -2/5(15-20d+5c)??

Answer 1

In order to know, you'll need to simplify the expressions.

-2(3-4d+c)

-6+8d-2c

Now for the next one.

-2/5(15-20d+5c)

-6+8d-2c

So yes, the 2 expressions are equivalent.

---

hope it helps