I don’t know if you’ll understand the steps
Answer:
1 x≠0
undefined x=0
Step-by-step explanation:
As long as x is not 0
(4x)^0
=1
Anything to the power of 0 is 1 (except for 0
If x =0 then it is undefined
Cross multiply
5/8 and 8/10
5x8=40
8x8=64
40 does not equal 64 so not proportional