Question

please help

Answer 1

brb

Answer 2

its pretty difficult

Answer 3

http://i.imgur.com/2kS2IGy.png

Answer 4

oh okay listen there is a simple way of doing these

Answer 5

without cheating -_-

Answer 6

sorry lol

Answer 7

factor thjis x^2-2x-3

Answer 8

(x-3)(x+1)

Answer 9

ok right

Answer 10

now the denominator in a fraction cannot be 0 because we dont know what 1/0 really is it can be infinity or - infinity or what