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Popular >

-x^2+9>0

Solution

- x^{2} + 9 > 0

Solution

- 3 < x < 3

+1

Interval Notation

(- 3, 3)

Solution steps

- x^{2} + 9 > 0

Move

9

to the right side

- x^{2} > - 9

Multiply both sides by

- 1

x^{2} < 9

For

u^{n} < a

, if

n

is even then

- 9 < x < 9

9 = 3

- 3 < x < 3

Popular Examples

(x-8)^{7/2}-64(x-8)^{3/2}

(x - 8)^{\frac{7}{2}} - 64 (x - 8)^{\frac{3}{2}}

3z-8+6z-12=z-10+9z-13

3 z - 8 + 6 z - 12 = z - 10 + 9 z - 13

45= 45/360*2(6)

45 = \frac{45}{360} \cdot 2 (6)

0.36=-2*10^{-6}x^2+0.0011x+0.3548

0.36 = - 2 \cdot 1 0^{- 6} x^{2} + 0.0011 x + 0.3548

∣ 2 y - 8 ∣ = 2

Frequently Asked Questions (FAQ)

What is -x^2+9>0 ?
The solution to -x^2+9>0 is -3<x<3