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Popular >

|x^2-1|>3

Solution

x^{2} - 1 > 3

Solution

x < - 2 or x > 2

+1

Interval Notation

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

Solution steps

x^{2} - 1 > 3

Apply absolute rule: If

∣ u ∣ > a, a > 0

then

u < - a

or

u > a

x^{2} - 1 < - 3 or x^{2} - 1 > 3

x^{2} - 1 < - 3 or x^{2} - 1 > 3

No Solution or (x < - 2 or x > 2)

Merge Overlapping Intervals

x < - 2 or x > 2

Popular Examples

simplify 0.15(1180/2)simplify

0.15 (\frac{1180}{2})

factor 6y^2(x-8)+5(x-8)factor

6 y^{2} (x - 8) + 5 (x - 8)

8 x + 7 = - 9

4 x (x - 8) = 0

factor 3n+6m-mn-2m^2 factor

3 n + 6 m - mn - 2 m^{2}

Frequently Asked Questions (FAQ)

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