LÀM NHANH HỘ MÌNH

4. ( 3x -1 )³ - 5² =475 

15: ( x +2 ) = ( 3³ +3 ) : 10

2*3^x = 10* 3¹² + 8 * 27⁴

^{làm nhanh hộ mk}

2*3^x+1 - 3^x =135

2*3^x= 10 *3¹²+8*27⁴

3^2x-4_-  x⁰ = 8

1) I ... late for school Yesterday

2) The children ... in the park five minutes ago 

3) The homewrok ... very difficult Yesterday