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Popular >

x^2+11x+18>= 0

Solution

x^{2} + 11 x + 18 \geq 0

Solution

x \leq - 9 or x \geq - 2

+1

Solution steps

x^{2} + 11 x + 18 \geq 0

Factor

x^{2} + 11 x + 18 : (x + 2) (x + 9)

(x + 2) (x + 9) \geq 0

Identify the intervals

x \leq - 9 or x \geq - 2

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u^{2} + 12 u + 36

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Frequently Asked Questions (FAQ)

What is x^2+11x+18>= 0 ?
The solution to x^2+11x+18>= 0 is x<=-9\lor x>=-2