Question

simplfy using property of-3/7×2/5+(-3/10×-3/7)+(3/7×-7/30)+(3/20×-3/7)​

Answer 1

Answer:

-87/420

Step-by-step explanation:

-3/7×2/5+(-3/10×-3/7)+(3/7×-7/30)+(3/20×-3/7)

-6/35+(9/70)+(-21/210)+(-9/140)

-6/35+9/70-21/210-9/140

-6/35-21/210-9/140+9/70

-72-42-27+54/420

-114+27/420

-87/420

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