Answer:

Step-by-step explanation:

utilise the Foil method to expand brackets:
F - mulply the first terms (x and x)
O - multiply the outside terms ( x and -2)
I - multiply the inside terms (5 and x)
L - multiply the last terms (5 and -2)
Then add them as following:

Then combine like terms:

It will take him 120 mins as he runs 8 minute miles
Answer:
f^-1(v)=v/x-3/x
Step-by-step explanation: