Answer:
I think the question is not correct because it can't be factorize
Step-by-step explanation:
Answer:
28
Step-by-step explanation:
So this means to replace the r you see in 4r^2-8 with 3.
Let's do that:
4(3)^2-8
Now to simplify this just use pemdas or a calculator:
4(9)-8 since 3^2 means 3*3=9
36-8
28
Do 6/24 = x/20 and then cross multiply :)
9/160 is <span>0.05625
_
160/9 is </span>17.7
