Bài tập toán cơ bản số 07

Created by T Madas Question 19 Factorize each of the following quadratic expressions a) x + x + b) x − 12 x − c) x − 13 x − 24 d) x + x − e) x + 13 x + 15 f) x + x − 20 g) x − x − 18 h) x + 22 x − 16 Question 20 Factorize each of the following quadratic expressions a) x − 17 x + 20 b) x − x − c) x − x + d) x + 13 x + 12 e) x − 15 x + 27 f) x − x − 10 g) x − 13 x + 14 h) x + x − 18 Created by T Madas Created by T Madas Question 21 Factorize each of the following quadratic expressions a) x + x − 30 b) x + 11x − 30 c) x + x + d) x − 11x − e) x + x − 15 f) x − x − g) x + x − h) x − x − Question 22 Factorize each of the following quadratic expressions a) x − x − b) x + 16 x + 15 c) x − 19 x − d) x − 33 x + e) x + x − f) x − 20 x + g) x − 11x − 20 h) x + x − 21 Created by T Madas