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\(Bài\) \(2:\) \(Tìm\) \(x:\)

b) \(\left(5-x\right)^3+27=0\)

d) \(\left(x^2-1\right).\left(x+7\right)=0\)

f) \(\left(x^2+81\right).\left(x-7\right).\left(x^2-2\right)=0\)

Bài 1: Tìm x:

d) \(\left|2x+1\right|=\left|x-1\right|\)

f) \(\left|x-1\right|-1=50-2.\left|x-1\right|\)

In summer, most people go swimming in the beaches.

\(The\) \(fridge\) \(is\) \(at\) \(the\) \(corner\) \(of\) \(the\) \(kitchen.\)