Question

Q.19) Find the product, using suitable properties: (3 marks) . (1) 625 x 65 + 625 x ( -55) (2) (-57) x (-19) + 57 x (-9)​

Answer 1

Step-by-step explanation:

625 x 65 + 625 x (-55) (2) (57) x (-19) +57 x (-9)

40625 + 625 x (-110) (57) x 171 + 57

40625 + 625 x 6270 x 328

41250 x 2056560

83547750000

I don't know the properties but I know how to solve this