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Popular >

|3x|>12

Solution

∣ 3 x ∣ > 12

Solution

x < - 4 or x > 4

+1

Interval Notation

(- \infty, - 4) \cup (4, \infty)

Solution steps

∣ 3 x ∣ > 12

Apply absolute rule: If

∣ u ∣ > a, a > 0

then

u < - a

or

u > a

3 x < - 12 or 3 x > 12

3 x < - 12 or 3 x > 12

x < - 4 or x > 4

Popular Examples

simplify (0.5)^2 simplify

(0.5)^{2}

(x-1)^2-13(x-1)+36=0

(x - 1)^{2} - 13 (x - 1) + 36 = 0

factor x^4-14x^3+49x^2 factor

x^{4} - 14 x^{3} + 49 x^{2}

6(x-2)^2+24(x-2)-1=0

6 (x - 2)^{2} + 24 (x - 2) - 1 = 0

x^{2} - 6 x + 6 = 0

Frequently Asked Questions (FAQ)

What is |3x|>12 ?
The solution to |3x|>12 is x<-4\lor x>4