Answer:
He needs to order
of carpet
Step-by-step explanation:
we know that

we have

Convert to 

2/9; the coefficient is just what’s attached to the variable
Step-by-step explanation:
x^2 + 13x + 36 = (x+4)(x+9)
x = -4 or x = -9
If I'm not mistaken, it should be 28/5 or 5 3/5 as the product is timesing the products together