Answer:
r= 42.48 and d=84.96
Step-by-step explanation:
too slow to type solution, gogogo answer your thing dude!
Step-by-step explanation:
Hey there!!
Given,

Comparing it with ax^2+bx+c =0 we get,
a= 1, b= 8, c= -5.
Using formula,

Keep all values,




Taking negative,



Similarly, taking positive,



Therefore, x= (4 + root 21, 4 - root 21).
<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Let the number be n. Then 5n + 4 = n. simplifying, 4n = -4, and n = -1
(answer)