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Popular >

expand (x-1)(x-2)(x+1)

Solution

expand

(x - 1) (x - 2) (x + 1)

Solution

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

Solution steps

(x - 1) (x - 2) (x + 1)

Expand

(x - 1) (x - 2) (x + 1) : (x^{2} - 1) (x - 2)

= (x^{2} - 1) (x - 2)

Apply FOIL method

(x^{2} - 1) (x - 2) : x^{3} - 2 x^{2} - x + 2

= x^{3} - 2 x^{2} - x + 2

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Frequently Asked Questions (FAQ)

What is expand (x-1)(x-2)(x+1) ?
The solution to expand (x-1)(x-2)(x+1) is x^3-2x^2-x+2