Subtract the first term from second term : (i) 2xy, 7xy(ii) 4a2 , 10a

1.	Subtract the first term from second term : (i) 2xy, 7xy(ii) 4a2 , 10a2(iii) 15p, 3p(iv) 6m2 n, – 20m2 n(v) a2 b2 , – a2 b2
Answer» (i) 7xy – 2xy = (7 – 2) xy = 5xy (ii) 10a² – 4a² = (10 – 4)a² = 6a² (iii) 3p – 15p = (3 – 15)p = – 12p (iv) – 20 m² n – 6m² n = (- 20 – 6) m² n = – 26m² n (v) – a² b² – a² b² = (- 1 – 1)a² b² = – 2a² b²

Subtract the first term from second term : (i) 2xy, 7xy(ii) 4a2 , 10a2(iii) 15p, 3p(iv) 6m2 n, – 20m2 n(v) a2 b2 , – a2 b2

Answer»

(i) 7xy – 2xy = (7 – 2) xy = 5xy

(ii) 10a² – 4a² = (10 – 4)a² = 6a²

(iii) 3p – 15p = (3 – 15)p = – 12p

(iv) – 20 m² n – 6m² n = (- 20 – 6) m² n = – 26m² n

(v) – a² b² – a² b² = (- 1 – 1)a² b² = – 2a² b²