Question

EXERCISE 5 (A)
1. Add :
(i) 5xy, - 2xy, -11xy, Exy
(iv) 3a - 2b + c, 5a + 8b -70
2. Subtract:
(ii) 3ab, -5a²b, 10a²b, -7db
(iii) a + b, 3a + 2b
(v) 4x² - 5xy + 3yº, 8x2 + 7xy - 6y?. -2x? - 9xy + 13y2​

Answer 1

Answer:

(a)5xy+(-2xy)+-(11xy),Exy

5xy-2xy-11xy+exy

3xy-11xy+exy

-8Exy

(b)3a-2b+c+5a+8b -70

8a+6b+c-70

(c)3ab-5a2b-10a2b-7db

3ab-15a2b-7db

(d)a+b-3a+2b

-2a+3b