Answer:
-11/70
Step-by-step explanation:
Rearrange it first, we got:
-2/5 x -3/7 -3/5 x 3/7 -1/14
Then:
=2/5 x3/7 -3/5x3/7 -1/14
Next:
(2/5-3/5) x3/7 -1/14
=(-1/5)x3/7 -1/14
=(-3/35)- 1/14
=(-6/70)-5/70
=-11/70
