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Popular >

-x^2+4>0

Solution

- x^{2} + 4 > 0

Solution

- 2 < x < 2

+1

Interval Notation

(- 2, 2)

Solution steps

- x^{2} + 4 > 0

Move

4

to the right side

- x^{2} > - 4

Multiply both sides by

- 1

x^{2} < 4

For

u^{n} < a

, if

n

is even then

- 4 < x < 4

4 = 2

- 2 < x < 2

Popular Examples

simplify (a^{-4})^2 simplify

(a^{- 4})^{2}

7 = 3 y + 1

factor 8a^6+27b^9 factor

8 a^{6} + 27 b^{9}

simplify (4a^{3/2})(2a^{1/2})simplify

(4 a^{\frac{3}{2}}) (2 a^{\frac{1}{2}})

9 = t^{2} - 2 t + 1

Frequently Asked Questions (FAQ)

What is -x^2+4>0 ?
The solution to -x^2+4>0 is -2<x<2