(9x+1)^2
(9x+1) (9x+1)
FOIL
First 9x*9x = 81x^2
outer: 9x*1 =9x
inner 1*9x = 9x
last 1*1 =1
add them together
81x^2 +9x+9x+1
combine like terms
81x^2+18x +1
speed = 134.213 miles per hour
= 134.213 mi/h
Answer:
181
Step-by-step explanation: