Solve the inequality 2 - x gt x2 - JAMB Mathematics 2000 Question
Solve the inequality 2 - x > x2.
A
x < -2 or x > 1
B
x > 2 or x< -1
C
-1 < x < 2
D
-2 < x < 1
correct option: d
2 - x > x2
2 - x - x2 > 0
(x+2)(x-1) < 0
2 - x - x2 > 0
(x+2)(x-1) < 0
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