Question

Check if :
(a) 25 multiply (-21) = (-25) multiply 21
(b) (-23) multiply 20 = 23 multiply (-20)

pls fast very urgent... ​

Answer 1

Answer:

1. the answer is 0.
3. -23X20= -460
4. 23X-20= -460
5. -460 = -460
6. hence verified.
7. hope it helps

Step-by-step explanation:

mark me Brainliest

Answer 2

Answer:

We know, when multiplying a positive integer and a negative integer, we multiply them as whole numbers and put a minus sign (–) before the product. We thus get a negative integer.

(a)

L.H.S =

R.H.S =

Therefore, L.H.S = R.H.S

(b)

L.H.S =

R.H.S =

Therefore, L.H.S = R.H.S