twelve times four-squared or four-squared times twelve
IF
2=5 ;
3=9 ; 3*5 - 3*2
4=48 ; 4*9 + 4*3
5=220 ; 5*48 - 5*4
6=1,350 6*220 + 6*5
7= 9408 7*1350 - 7*6
THEN 8 = 8*9408 + 8*7 = 75320
Answer:
B. -1
Step-by-step explanation:
examples:
1 and -1
1/2 and -2
19657
x=8,9
x^2-17x+72=0
(x-8)(x-9)=0