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Popular >

x^2+x-20>= 0

Solution

x^{2} + x - 20 \geq 0

Solution

x \leq - 5 or x \geq 4

+1

Interval Notation

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

Solution steps

x^{2} + x - 20 \geq 0

Factor

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

(x - 4) (x + 5) \geq 0

Identify the intervals

x \leq - 5 or x \geq 4

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join 3pi+pi/2 join

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Frequently Asked Questions (FAQ)

What is x^2+x-20>= 0 ?
The solution to x^2+x-20>= 0 is x<=-5\lor x>= 4