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Popular >

x^2-7x-18>0

Solution

x^{2} - 7 x - 18 > 0

Solution

x < - 2 or x > 9

+1

Interval Notation

(- \infty, - 2) \cup (9, \infty)

Solution steps

x^{2} - 7 x - 18 > 0

Factor

x^{2} - 7 x - 18 : (x + 2) (x - 9)

(x + 2) (x - 9) > 0

Identify the intervals

x < - 2 or x > 9

Popular Examples

simplify sqrt(14)sqrt(35)simplify

1435

m + 8 = 2 (m - 2) - m

x - 4 = 3

simplify 10/10 simplify

\frac{10}{10}

factor m^3+3m^2+3m+1 factor

m^{3} + 3 m^{2} + 3 m + 1

Frequently Asked Questions (FAQ)

What is x^2-7x-18>0 ?
The solution to x^2-7x-18>0 is x<-2\lor x>9