Tcuba977 Tcuba977

16-06-2022
Mathematics

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tôi là người Việt Nam ai giúp giải bài này nha bài 2 ạ

tôi là người Việt Nam ai giúp giải bài này nha bài 2 ạ class=

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yoonthiribo33 yoonthiribo33

16-06-2022

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

-3+5=x^2-2

2=x²-2
-x^2=-4
x^2=4
x=+2 or -2
Answer:
x (1)=-2
x(2)=2

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