SOLUTION: If (x + 1)(x ­- 2) is positive, which statement is true? x < -­ 1 or x > 2 x > - ­1 or x < 2 - 1 < x < 2 -2 < x < 1 ty

Algebra ->  Expressions-with-variables -> SOLUTION: If (x + 1)(x ­- 2) is positive, which statement is true? x < -­ 1 or x > 2 x > - ­1 or x < 2 - 1 < x < 2 -2 < x < 1 ty      Log On


   



Question 1032851: If (x + 1)(x ­- 2) is positive, which statement is true?
x < -­ 1 or x > 2
x > - ­1 or x < 2
- 1 < x < 2
-2 < x < 1
ty

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
For the product to be positive, either the factors are both positive or both negative...
Thus x > 2 or x < -1...the first choice...