Question

I wish I can give out more points but I'm lacking on points myself, so sorry! thank you for anyone who puts their time into helping me :-D (even answering one of the three questions are a big help for me!)

Answer 1

well I'm still trying to solve the first question so I'll tell you the other answers
the answer for the second question is :

`{4x}^(2) + 20x`
and for the third question :

`(7)/(8)`