Bài tập toán cơ bản số 34

Created by T Madas Question 26 Factorize each of the following quadratic expressions a) 12 x − 29 x − 60 = ( x − 15 )( 3x + ) b) 21x − 17 x + = ( x − 1)( 3x − ) Created by T Madas Created by T Madas SQUARING BRACKETS Created by T Madas