Answer:
4 ( 22 + 20 ) and 4 ( 40 + 2 ) .
Step-by-step explanation:
Given : 4(42).
To find : Which expressions are equivalent .
Solution : We have given 4(42).
We can write 42 as 20 + 22 and 40 + 2
So, We can write 4 ( 22 + 20 ) .
And 4 ( 40 + 4 ) .
We can write 4(42) = 4 ( 22 + 20 ) .
4(42) = 4 ( 40+2).
Therefore , 4 ( 22 + 20 ) and 4 ( 40 + 2 ) .
