Question

For how many positive integers x<=100 is (x-5)(x-45) positive?


59

45

65

60

50

Answer 1

check the integer x that satisfy the following condition
0 < x < 5 or 45 < x <= 100.

4 + 55 = 59

Answer 2

why we cant take x as -ve....@sourwing

Answer 3

what's -ve?

Answer 4

let x=-2 then
(-2-5)(-2-45)=-10*-90=900 then also it is positive know....

Answer 5

-ve means negitive....

Answer 6

the question asks for POSITIVE integer that are less than or equal to 100, that is
0 < x <= 100 (x is an integer)

Answer 7

kk thanq you i got it....