Question

PLEASE HELP THERE A FEW QUESTIONS THAT I NEED HELP I BEG YOU I NEED HELP

Answer 1

I have a proof for these problems but seems you have urgent help.
The answer of the first question is the THIRD one which is (x - 2)/(x² - 6x + 8)
The answers of the second question are x ≠ -1 and x ≠ 0.
The answer of the third question is 6 + 3x.