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Popular >

factor x^3+4x^2-2x-8

Solution

factor

x^{3} + 4 x^{2} - 2 x - 8

Solution

(x + 4) (x^{2} - 2)

Solution steps

x^{3} + 4 x^{2} - 2 x - 8

= (x^{3} + 4 x^{2}) + (- 2 x - 8)

Factor out

x^{2}

from

x^{3} + 4 x^{2} : x^{2} (x + 4)

Factor out

- 2

from

- 2 x - 8 : - 2 (x + 4)

= x^{2} (x + 4) - 2 (x + 4)

Factor out common term

x + 4

= (x + 4) (x^{2} - 2)

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Frequently Asked Questions (FAQ)

What is factor x^3+4x^2-2x-8 ?
The solution to factor x^3+4x^2-2x-8 is (x+4)(x^2-2)