Bài tập toán cơ bản số 33

Created by T Madas Question 24 Factorize each of the following quadratic expressions a) x + x − 12 = ( x + 3)( 3x − ) b) x + 11x − 10 = ( x + )( 3x − ) c) x − 10 x − = ( x + 1)( x − 3) d) x + 14 x + = ( x + 1)( x + 3) e) x − x − = ( x + 3)( x − 1) f) x − 22 x + = ( x − 1)( x − 5) g) x − x − = ( x + 1)( x − ) h) x + 3x − = ( x + 1)( x − 5) Created by T Madas Created by T Madas Question 25 Factorize each of the following quadratic expressions a) 12 x + x + = ( 3x + 1)( x + 1) b) 12 x + x − = ( x − 1)( x + 1) c) 12 x + x − = ( x + 3)( 3x − 1) d) 12 x − 17 x + = (12 x − )( x − 1) e) 12 x − x − = (12 x + )( x − 1) f) 12 x + x − = ( x + 1)(12 x − ) g) 12 x − 16 x + = ( x − 1)( x − ) h) 12 x − 13x − = ( x + 1)( 3x − ) Created by T Madas