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Popular >

x^2-3x-40<= 0

Solution

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

Solution

- 5 \leq x \leq 8

+1

Interval Notation

[- 5, 8]

Solution steps

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

Factor

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

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

Identify the intervals

- 5 \leq x \leq 8

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5 x^{2} - 320

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Frequently Asked Questions (FAQ)

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