Question

Find all numbers x such that \[(x -1)(x-3) \gt 0\]Find all numbers x such that \[(x -1)(x-3) \gt 0\]@Mathematics

Answer 1

x<-3 or x>3

Answer 2

nope

Answer 3

you have:\[ab>0\]the only time this is true is when:\[a>0 ,b>0\]or\[a<0,b<0\]so either x<-1 and x< -3 which implies x < -3, or x >-1 and x > -3, which implies x > -1.

Answer 4

(-∞,1)∪(3,∞)

Answer 5

yep Zekarias has it :-D

Answer 6

ah i see, i was off by signs >.< my bad.