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Popular >

x^2-4x-5>0

Solution

x^{2} - 4 x - 5 > 0

Solution

x < - 1 or x > 5

+1

Interval Notation

(- \infty, - 1) \cup (5, \infty)

Solution steps

x^{2} - 4 x - 5 > 0

Factor

x^{2} - 4 x - 5 : (x + 1) (x - 5)

(x + 1) (x - 5) > 0

Identify the intervals

x < - 1 or x > 5

Popular Examples

2 x + 8 = 16

simplify (((-1+isqrt(3)))/2)^2 simplify

(\frac{( - 1 + i 3 )}{2})^{2}

12 x^{2} + 4 x - 5 = 0

- 16 t^{2} + 40 t + 5 = 0

simplify (6-2)/(-3+2)simplify

\frac{6 - 2}{- 3 + 2}

Frequently Asked Questions (FAQ)

What is x^2-4x-5>0 ?
The solution to x^2-4x-5>0 is x<-1\lor x>5