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linhxtm
2 năm trước
GIÚP MK 2 BÀI NÀY VỚI!!!ĐANG CẦN GẤP !!! CẢM ƠN NHIỀU Ạ!!!!!!!!!!!!!! Bài 1:Cho biểu thức ;E= $\frac{4x²-1-(2+x)(1-x)}{9x²-4}$ a/Rút gọn biểu thức E. b/Tìm x để E>0. Bài 2:Cho biểu thức :F= $\frac{x²-9+(4-x)(2-x)}{x²-6+9x}$ a/Rút gọn biểu thức F. b/Tìm giá trị nguyên của x để F nhận giá trị nguyên.
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