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Popular >

factor x^3-19x+30

Solution

factor

x^{3} - 19 x + 30

Solution

(x - 2) (x - 3) (x + 5)

Solution steps

x^{3} - 19 x + 30

Use the rational root theorem

= (x - 2) \frac{x ^{3} - 19 x + 30}{x - 2}

\frac{x ^{3} - 19 x + 30}{x - 2} = x^{2} + 2 x - 15

= (x - 2) (x^{2} + 2 x - 15)

Factor

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

= (x - 2) (x - 3) (x + 5)

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Frequently Asked Questions (FAQ)

What is factor x^3-19x+30 ?
The solution to factor x^3-19x+30 is (x-2)(x-3)(x+5)