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Popular >

-x^2+1>0

Solution

- x^{2} + 1 > 0

Solution

- 1 < x < 1

+1

Interval Notation

(- 1, 1)

Solution steps

- x^{2} + 1 > 0

Move

1

to the right side

- x^{2} > - 1

Multiply both sides by

- 1

x^{2} < 1

For

u^{n} < a

, if

n

is even then

- 1 < x < 1

Popular Examples

factor n^2+21n+20 factor

n^{2} + 21 n + 20

factor 27x^2-12 factor

27 x^{2} - 12

(3x+1)*3+2=4*(x+5)

(3 x + 1) \cdot 3 + 2 = 4 \cdot (x + 5)

\frac{r}{2} \leq 5

simplify sqrt(12)-sqrt(3)simplify

12 - 3

Frequently Asked Questions (FAQ)

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