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Popular >

3x^2-2x-1>= 0

Solution

3 x^{2} - 2 x - 1 \geq 0

Solution

x \leq - \frac{1}{3} or x \geq 1

+2

Interval Notation

(- \infty, - \frac{1}{3}] \cup [1, \infty)

Decimal Notation

x \leq - 0.33333 \dots or x \geq 1

Solution steps

3 x^{2} - 2 x - 1 \geq 0

Factor

3 x^{2} - 2 x - 1 : (3 x + 1) (x - 1)

(3 x + 1) (x - 1) \geq 0

Identify the intervals

x \leq - \frac{1}{3} or x \geq 1

Popular Examples

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\frac{y ^{\frac{3}{2}}}{y ^{\frac{1}{2}}}

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4 x^{2} - 19 x + 12

simplify y^4*y^6 simplify

y^{4} \cdot y^{6}

factor x^3-12x^2+20x factor

x^{3} - 12 x^{2} + 20 x

2 x^{2} + 3 x - 17 = 0

Frequently Asked Questions (FAQ)

What is 3x^2-2x-1>= 0 ?
The solution to 3x^2-2x-1>= 0 is x<=-1/3 \lor x>= 1