Solve the inequality 2 - x > x2.
...Solve the inequality 2 - x > x2.
x < -2 or x > 1
x > 2 or x< -1
-1 < x < 2
-2 < x < 1
Correct answer is D
2 - x > x2
2 - x - x2 > 0
(x+2)(x-1) < 0
Either (x + 2) > 0 and (x - 1) < 0.
x + 2 > 0 ⟹ x > -2.
-2 < x < 1
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