Answer:
-- x intercept
-- y intercept
Step-by-step explanation:
Given

Required
Determine the x and y intercept
For x intercept.
Set 
So, we have:


Collect Like Terms

Make x the subject

Hence, the x intercept is: 
For the y intercept;
Set 
So, we have:




Hence, the y intercept is: 
The sides of the frame are (12+2x) and (6+2x).
Its area A is 112.
Therefore by equating:
(12+2x)*(6+2x)=112
you can get the answer for x. You will obtain a quadratic equation you have to solve.
Answer:
12 is missing
Step-by-step explanation: