=10 nhé

15 nhe 

mink cung se kb voi bn

CÂU HỎI NÀY KO PHẢI LÀ CÂU HỎI LINH TINH

a,8.6+288:(x-3)^2=50

48+288:(x-3)^2=50

288:(x-3)^2=2

(x-3^2=288:2

(x-3)^2=144=12^2

x=12+3

=>x=15

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k minh di

200 + 200 = 400

tk cho mình nhá

thanks you

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