76+20x
factor out 4
4 (19+5x)
so one possible dimensions of the rectangle is 4 by 19+5x
Answer:
45
Step-by-step explanation:
20 goes into 100 5 times so then you tka e the 9 and x 5 and you get 45
For this case we must factor
of the following expression:

By law of signs of multiplication it is fulfilled that:

So we have to:

Thus, by factoring we have:

Answer:
