Once simplified, which of the expressions below is equal to −3x−39? Select all that apply. A) 6(2x–5)–15x–9 B) −3(x+13) C) 6(23x–5)−7x–9 D) 3x(x–3)

Answer 1

B

Distribute out the constant into the parenthesis and verify

-3(x+13)=-3x+39.

A works as well.

6(2x-5)-15x-9=12x-30-15x-9=-3x-39