So now its

but you want it in y=mx+b so
add x to both sides so that you have y on its own
so now it's
Answer:
(xy - 4)(xy + 4).
Step-by-step explanation:
The is the difference of 2 squares.
a^2 - b^2 = (a - b)(a + b: so we have:
x^2y^2 - 16 = (xy - 4)(xy + 4)
Answer:

Step-by-step explanation:
<u>Step 1: Subtract m from both sides
</u>


<u>Step 2: Divide both sides by -1
</u>



Answer: 
If for is four then x-4=8
thus would make x 12
The place value is the hundreths