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Popular >

2x(x^2-4)>0

Solution

2 x (x^{2} - 4) > 0

Solution

- 2 < x < 0 or x > 2

+1

Interval Notation

(- 2, 0) \cup (2, \infty)

Solution steps

2 x (x^{2} - 4) > 0

Rewrite in standard form

x^{3} - 4 x > 0

Factor

x^{3} - 4 x : x (x + 2) (x - 2)

x (x + 2) (x - 2) > 0

Identify the intervals

- 2 < x < 0 or x > 2

Popular Examples

factor x^2+30x+56 factor

x^{2} + 30 x + 56

factor 21xy-9x-56y^2+24y factor

21 x y - 9 x - 56 y^{2} + 24 y

factor 4x^2+4x-35 factor

4 x^{2} + 4 x - 35

2 x^{2} + 39 = - 18 x

simplify (10i)/(3+i)simplify

\frac{10 i}{3 + i}

Frequently Asked Questions (FAQ)

What is 2x(x^2-4)>0 ?
The solution to 2x(x^2-4)>0 is -2<x<0\lor x>2