Well, there are lots, but if you get rid of the parenthesis...
you would get 21c and that equals to 7(3c).
The answer is b, 5x^2 + 24x + 1
Step-by-step explanation:
...........MaRk As BrAiNeSt
Answer:

Step-by-step explanation:
we know that
The area of the model is equal to the area of a rectangle
The area of a rectangle is equal to

we have


substitute

Apply distributive property

Combine like terms

Answer:
red side is a leg and should be labeled a or b, the pink side is a leg and should be labeled a or b, and the light blue side is the hypotenuse and should be labeled c.
3=a or b
4=a or b
5=c
Step-by-step explanation: