Answer:
C) 64x2 + 40x + 25
Step-by-step explanation:
we are given
we can also write as
we can use factor formula
we can compare and find 'a' and 'b'
a=8x
b=5
now, we can simplify it
so, (64x^2+40x+25) factor matches
The four squares are :idk
Answer:
k= 11/2
Step-by-step explanation:
-4 + 8 = 4;
4 - 16 = -12;
-12 + 32 = 20;
20 - 64 = -44;
-44 + 128 = 84;
84 - 256 = -172.
The sum of the first 7 terms in this series is -172.
I hope this helps!