Answer:
90
Step-by-step explanation:
To find s4 we find sum of values when n=1,n=2,n=3,n=4
given expression is
n=1 , plug in 1 for n
n=2
n=3
n=4
Sum of all 4 terms = 6+12+24+48=90
If the area of Bianca’s rectangular backyard patio is represented by the expression x2−18x + 81, and the length of the patio is
1 answer:
You might be interested in
Answer:
(x+5) and (x-7).
Step-by-step explanation:
The given equation is :
We need to write it in factored form.
We know that,
7×5 = 35 and 7-5 = 2
So,
Hence, the required factors are (x+5) and (x-7).
