D is equivalent because brackets don’t change anything here
You are comparing velocities. Without a given acceleration, the time can not be found.
Answer:
i) Because so that we can understand them steps by step
ii)We could enjoy when we study in school
4 x 5 - 3
= 20-3
=17<answer
Answer:

Step-by-step explanation:
We need to solve the quadratic equation
6 = x^2 -10x
Rearranging we get,
x^2-10x-6=0
Using quadratic formula to solve the quadratic equation

a= 1, b =-10 and c=6
Putting values in the quadratic formula

So, 