Answer:
(x - 2)(x² + 2x + 4)
Step-by-step explanation:
A difference of cubes factors in general as
• a³ - b³ = (a - b)(a² + ab + b² )
note 8 = 2³ = 8 ⇒ b = 2 , with a = x
Hence
x³ - 8
= x³ - 2³
= (x - 2)(x² + 2x + 2²) = (x - 2)(x² + 2x + 4)
Answer:
m= - 396.253089
Step-by-step explanation:
hope this helps
Answer:
44
Step-by-step explanation:
By substituting x=8 in the equation we get the answer as 44.
all you just have to do is divide 30 by 2 which is=15
and 40 by 4=10
50 by 10=5
ANSWER=15km/h
