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Popular >

x^3+x^2-65x+63>= 0

Solution

x^{3} + x^{2} - 65 x + 63 \geq 0

Solution

- 9 \leq x \leq 1 or x \geq 7

+1

Interval Notation

[- 9, 1] \cup [7, \infty)

Solution steps

x^{3} + x^{2} - 65 x + 63 \geq 0

Factor

x^{3} + x^{2} - 65 x + 63 : (x - 1) (x - 7) (x + 9)

(x - 1) (x - 7) (x + 9) \geq 0

Identify the intervals

- 9 \leq x \leq 1 or x \geq 7

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Frequently Asked Questions (FAQ)

What is x^3+x^2-65x+63>= 0 ?
The solution to x^3+x^2-65x+63>= 0 is -9<= x<= 1\lor x>= 7