Speak in English please. I would be more pleased to help if you write in English.
The answer to question 5 is -3.
The answer to question 9 is -5.<span>
</span>The answer to question 7 is 28x^3y^4.
To have a different rectangle with the same perimeter you just have different measurements. If you need an example let me know!
It can save time from doing number crunching and analysis because it's an easy to see visual.
Answer:
(x-3)(x-8)
Step-by-step explanation:
the zero are what cancel out the factors.
