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Popular >

(x+1)(x-1)<3

Solution

(x + 1) (x - 1) < 3

Solution

- 2 < x < 2

+1

Interval Notation

(- 2, 2)

Solution steps

(x + 1) (x - 1) < 3

Expand

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

x^{2} - 1 < 3

Move

1

to the right side

x^{2} < 4

For

u^{n} < a

, if

n

is even then

- 4 < x < 4

4 = 2

- 2 < x < 2

Popular Examples

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x^{4} - 37 x^{2} + 36

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\frac{64}{121}

simplify 5sqrt(12)simplify

512

5 (x - 6) + 3 = - 7

Frequently Asked Questions (FAQ)

What is (x+1)(x-1)<3 ?
The solution to (x+1)(x-1)<3 is -2<x<2