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Popular >

x^2-3x-40>= 0

Solution

x^{2} - 3 x - 40 \geq 0

Solution

x \leq - 5 or x \geq 8

+1

Interval Notation

(- \infty, - 5] \cup [8, \infty)

Solution steps

x^{2} - 3 x - 40 \geq 0

Factor

x^{2} - 3 x - 40 : (x + 5) (x - 8)

(x + 5) (x - 8) \geq 0

Identify the intervals

x \leq - 5 or x \geq 8

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Frequently Asked Questions (FAQ)

What is x^2-3x-40>= 0 ?
The solution to x^2-3x-40>= 0 is x<=-5\lor x>= 8