He made a mistake on step 2, because he already flipped the fraction 5/8 to 8/5, then hi flipped it back to 5/8, hope this helps.
Answer:
D
Step-by-step explanation:
I think it is the right answer, but I am not sure
If you multiply 4 by 4 tenths, the answer is 1.6
tenth = 0.1
four tenths = 0.4
4(0.4) = 1.6
This equation factored out is (x+20)^2