1. Factor by grouping: (16x^2+20x)(20x+25)
2. 4x(4x+5)+5(4x+5)
3. (4x+5)(4x+5)
4. (4x+5)^2
Answer:
for example 2x + 5=15
first thing collect the like term
2x=15-5
=10
2x=10
divide bothside by 2
x=10\2
x=5
Answer:
47 hours
Step-by-step explanation:
[606 -(12×40)]/(1½×12) =
(606-480)/(18) =
126/18 = 7
the total working hours = 40+7 = 47 hours
If you rounded it it would be 4.6
Answer:
. ....
Step-by-step explanation: