Question

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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given (- 9/5 x – 10/3) x 21 / - 4 = - 9/5 x (- 10 / 3 x 21 / - 4)

This expression is of the form associative property of multiplication. Now we need to verify both the expression are equal.

So (- 9/5 x – 10 / 3) x 21 / - 4

    90 / 15 x 21 / - 4

   So we get – 63 / 2

Now – 9/ 5 x (- 10/3 x 21 / - 4)

So – 9/5 x – 210 / - 12

So we get – 63 / 2

Therefore l. h.s = r. h.s