Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:
The standard form of a quadratic is:

To complete the square, the a (leading coefficient) must be 1 and there can only be terms with variables on one side.
The expression given:

follows these rules. Next, we divide the b (linear coefficient) by 2, then square it. Basically:

The b in the expression is -18.


This is the number that is added.
Can u take a better picture I can't read it
Answer:
Width=x
Length =x+5
Perimeter =38
2(x+x+5)=38
=>4x+10=38
=>x=28/4
Step-by-step explanation: