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Popular >

x^2-x-2<0

Solution

x^{2} - x - 2 < 0

Solution

- 1 < x < 2

+1

Interval Notation

(- 1, 2)

Solution steps

x^{2} - x - 2 < 0

Factor

x^{2} - x - 2 : (x + 1) (x - 2)

(x + 1) (x - 2) < 0

Identify the intervals

- 1 < x < 2

Popular Examples

t^{2} - 7 t - 18 = 0

simplify (-5.5^2)/5+2*5.5 simplify

\frac{- 5. 5 ^{2}}{5} + 2 \cdot 5.5

47 \leq 8 - 7 t

longmult 1.5*2 long multiplication

1.5 \cdot 2

simplify (15c)/(12(d-3))*(21d)/(6c)simplify

\frac{15 c}{12 ( d - 3 )} \cdot \frac{21 d}{6 c}

Frequently Asked Questions (FAQ)

What is x^2-x-2<0 ?
The solution to x^2-x-2<0 is -1<x<2