QUESTION 1
The given binomial is;

First terms are multiplied: 
Outside terms are multiplied: 
Inside terms are multiplied: 
Last terms are Multiplied: 
This gives us;


QUESTION 2
We want to factor

The HCF is 
We factor to get;

QUESTION 3;

Split the middle term;

Factor




The solutions are;
and 
These are the x-intercepts of the graph of the function

Answer:

Step-by-step explanation:
I'm sorry you need to be more clear I don't understand the question.
It is no solution, bc the answer is (0,0)
1.539 divided by 10 which equal to 0.1539