Question

Find the product using suitable property: 25 ×(-42) + (-42) ×35​

Answer 1

Answer:

Just refer to the image

Answer 2

Answer:

25*(-42)+(-42)*(-35)

Step-by-step explanation:

25*(-42)-42*35

-1050-(-1470)

-1050+1470

420

(important point)

+*+=+

-*-=-

-*+=-

+*-=-

I think, this is help u