Helen should of put 0 first, because if you're gonna divide, you need to put the product first, then one of the factoes.
So instead it should be 0÷(-7)=0
Answer:25
Step-by-step explanation:
15x 2/5=25
(-x + 3) - 2(- x - ) = ?
in simplest form-
(-5x + 3) -2( 2 x -2)