SteMath Solutions For Problems | Page 27

Problem 2
ANSWER OF THE PROBLEM
f(x)= a.(x+x1).(x-x2)
f(x)= a.(x+24).(x-24)
115cm
90cm
(0,25)
f(x)= a.24.(-24)=25
f(x)= −25
576 . (x2 -24 2 )
48cm
x=12
f(12)= −25
576 .(144-576)
= 18,75
F(-12)= 18,75
Total lenght of the iron bars:
3.90+2.18,75+115= 332,5