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Popular >

2x^2-2x>= 4

Solution

2 x^{2} - 2 x \geq 4

Solution

x \leq - 1 or x \geq 2

+1

Interval Notation

(- \infty, - 1] \cup [2, \infty)

Solution steps

2 x^{2} - 2 x \geq 4

Rewrite in standard form

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

Factor

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

(x + 1) (x - 2) \geq 0

Identify the intervals

x \leq - 1 or x \geq 2

Popular Examples

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- \frac{3}{2} = - \frac{3}{2} x

16 t^{2} = 0

simplify (x^{2/3})^{3/2}simplify

(x^{\frac{2}{3}})^{\frac{3}{2}}

simplify 1/2 (100)simplify

\frac{1}{2} (100)

Frequently Asked Questions (FAQ)

What is 2x^2-2x>= 4 ?
The solution to 2x^2-2x>= 4 is x<=-1\lor x>= 2