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Popular >

x^2>x+20

Solution

x^{2} > x + 20

Solution

x < - 4 or x > 5

+1

Interval Notation

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

Solution steps

x^{2} > x + 20

Rewrite in standard form

x^{2} - 20 - x > 0

Factor

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

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

Identify the intervals

x < - 4 or x > 5

Popular Examples

simplify ((10*10^9)*2.5)/((3*10^9))simplify

\frac{( 10 \cdot 1 0 ^{9} ) \cdot 2.5}{( 3 \cdot 1 0 ^{9} )}

k^{2} - 13 k + 40 = 0

|(x-2)/(x+3)|>1

\frac{x - 2}{x + 3} > 1

- 5 < x < 5

factor (3x^2)(4x^4)factor

(3 x^{2}) (4 x^{4})

Frequently Asked Questions (FAQ)

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