Mathematics
Junior High
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解き方教えてください🙏

(x+1)(x-2) (x+3)(x-4)

Answers

✨ Best Answer ✨

=((x^2-x)-2)((x^2-x)-12)
=((x^2-x)^2-14(x^2-x)+24)
=x^4-2x^3+x^2-14x^2+14x+24
=x^4-2x^3-13x^2+14x+24

おもち

ありがとうございます!

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