Question

--->WORTH 50 POINTS <--- Question in the attachment below. I will give brainiest to best answer. Please show work.

Answer 1

Hi there

Root=0.5 means x=0.5

Plug in 0.5 for x
(b-5)0.5^2-(b-2)0.5+b=0
(b-5)0.25-(b-2)035+b=0
Simplify
0.75b-2.25=0
b=3

Hope this helps

Answer 2

Hi there
X=0.5
B=3
I have added a pic with the working out

Hope this help