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Popular >

x^2-x-20>0

Solution

x^{2} - x - 20 > 0

Solution

x < - 4 or x > 5

+1

Interval Notation

(- \infty, - 4) \cup (5, \infty)

Solution steps

x^{2} - x - 20 > 0

Factor

x^{2} - x - 20 : (x + 4) (x - 5)

(x + 4) (x - 5) > 0

Identify the intervals

x < - 4 or x > 5

Popular Examples

longdivision 12/8 long division

\frac{12}{8}

- 12 x^{2} + 36 x = 0

4+4(2x+1)=-4(x+4)-2x

4 + 4 (2 x + 1) = - 4 (x + 4) - 2 x

1/2 x-2<= 3x-3/2

\frac{1}{2} x - 2 \leq 3 x - \frac{3}{2}

simplify x^{-5/2}simplify

x^{- \frac{5}{2}}

Frequently Asked Questions (FAQ)

What is x^2-x-20>0 ?
The solution to x^2-x-20>0 is x<-4\lor x>5