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Popular >

2x^4-4x^2-16<= 0

Solution

2 x^{4} - 4 x^{2} - 16 \leq 0

Solution

- 2 \leq x \leq 2

+1

Interval Notation

[- 2, 2]

Solution steps

2 x^{4} - 4 x^{2} - 16 \leq 0

Rewrite in standard form

x^{4} - 2 x^{2} - 8 \leq 0

Factor

x^{4} - 2 x^{2} - 8 : (x^{2} + 2) (x + 2) (x - 2)

(x^{2} + 2) (x + 2) (x - 2) \leq 0

Identify the intervals

- 2 \leq x \leq 2

Popular Examples

factor 6188n^2+1105n-17017 factor

6188 n^{2} + 1105 n - 17017

- x^{2} + 3 x = 0

factor 9z^2+30z+25 factor

9 z^{2} + 30 z + 25

factor 12x^2-48x+36 factor

12 x^{2} - 48 x + 36

4(9-w)-20=20-2w

4 (9 - w) - 20 = 20 - 2 w

Frequently Asked Questions (FAQ)

What is 2x^4-4x^2-16<= 0 ?
The solution to 2x^4-4x^2-16<= 0 is -2<= x<= 2