So the area of a rectangle is Length x Width.
A = (L)(W)
Substitute the information given:
4x^2 + 20x + 16 = (L)(2x+8)
Isolate L by dividing 2x+8:
(4x^2 + 20x +16)/ (2x + 8) = L
If you divide:
L = 2x + 2.
Answer:
5
Step-by-step explanation:
I hope this is not a trick question.
For this case we must find the solution of the following system of equations:

If we multiply the first equation by -2 we have the following equivalent system:

If we add the equations we have:

Thus, the system has infinite solutions.
Answer:
Infinite solutions
The -3 and 2 are just the numbers you multiply by to get the variable 's' have opposite values in the 2 equations so that when you add the 2 equations, they would cancel out