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Popular >

x^2+2x-15>= 0

Solution

x^{2} + 2 x - 15 \geq 0

Solution

x \leq - 5 or x \geq 3

+1

Interval Notation

(- \infty, - 5] \cup [3, \infty)

Solution steps

x^{2} + 2 x - 15 \geq 0

Factor

x^{2} + 2 x - 15 : (x - 3) (x + 5)

(x - 3) (x + 5) \geq 0

Identify the intervals

x \leq - 5 or x \geq 3

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Frequently Asked Questions (FAQ)

What is x^2+2x-15>= 0 ?
The solution to x^2+2x-15>= 0 is x<=-5\lor x>= 3