Answer:
One example: 1.29
Step-by-step explanation:
Any number with 9 at the second decimal place
Since this polynomial has 4 terms, factoring by grouping should be the first thing we try here.
So, we have:

So, we can use ZPP to find out roots:

So our three roots are:

Answer:
x=2.4
Step-by-step explanation:
5·x=5x
5x=12
12/5=2.4
x=2.4