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21-10-2020
Mathematics

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(x-3) (x2+2x+1)
Foil method

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21-10-2020

Step-by-step explanation:

(x-3)(x^2+2x+1)

=x^3-3x^2+2x^2-6x+x-3

=x^3+2x^2-3x^2-6x+x-3

=x^3-x^2-5x-3

___________

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