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Popular >

2x^2-18>0

Solution

2 x^{2} - 18 > 0

Solution

x < - 3 or x > 3

+1

Interval Notation

(- \infty, - 3) \cup (3, \infty)

Solution steps

2 x^{2} - 18 > 0

Move

18

to the right side

2 x^{2} > 18

Divide both sides by

2

x^{2} > 9

For

u^{n} > a

, if

n

is even then

x < - 9 or x > 9

9 = 3

x < - 3 or x > 3

Popular Examples

simplify 10*5 simplify

10 \cdot 5

- 4 (3 x - 8) + x = 17

simplify 3x^2-4y^2+5xy+2y^2-3x^2-4xy simplify

3 x^{2} - 4 y^{2} + 5 x y + 2 y^{2} - 3 x^{2} - 4 x y

x + 10 > 13

-24x^2-114x-132=0

- 24 x^{2} - 114 x - 132 = 0

Frequently Asked Questions (FAQ)

What is 2x^2-18>0 ?
The solution to 2x^2-18>0 is x<-3\lor x>3