Answer: 350km/h,349
Step-by-step explanation:Find the exact value using tringometric identities
2x^3(x+1)-x(x+1)
(2x^3-x)(x+1)
x(2x^2-1)(x+1)
Well the square root of 72 is 8.485 and the square root of 45 is 6.708. hope this helps :)
Answer: 112-15i
Step-by-step explanation:
(7)(8)+(7)(7i)+(-8i)(8)+(-8i)(7i)
56+49i-64i(-56(-1))
56+49i-64i+56
112-15i
