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Popular >

x^2>7x+18

Solution

x^{2} > 7 x + 18

Solution

x < - 2 or x > 9

+1

Solution steps

x^{2} > 7 x + 18

Rewrite in standard form

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

Factor

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

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

Identify the intervals

x < - 2 or x > 9

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Frequently Asked Questions (FAQ)

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