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Popular >

4x^2(x^2-9)<= 0

Solution

4 x^{2} (x^{2} - 9) \leq 0

Solution

- 3 \leq x \leq 3

+1

Interval Notation

[- 3, 3]

Solution steps

4 x^{2} (x^{2} - 9) \leq 0

Rewrite in standard form

x^{4} - 9 x^{2} \leq 0

Factor

x^{4} - 9 x^{2} : x^{2} (x + 3) (x - 3)

x^{2} (x + 3) (x - 3) \leq 0

Identify the intervals

- 3 \leq x \leq 3

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x^{2} + (x - 2)^{2} = 1 0^{2}

-4.6p-6.3p+3.9=-9.18

- 4.6 p - 6.3 p + 3.9 = - 9.18

2 x^{2} + 2 x - 4 = 0

Frequently Asked Questions (FAQ)

What is 4x^2(x^2-9)<= 0 ?
The solution to 4x^2(x^2-9)<= 0 is -3<= x<= 3