Question

1. Evaluate :
(i) 3x +
3x+
2x+
2x
2
3
(ii) (2a + 0.5)(7a -0.3)
(ii) (9 - y) (7 + y)
(v) (a? + 5) (a2-3)
(vii) (5xy - 7)(7xy +9)
(viii) (3a2 - 4b2)(8a- 362)
(iv) (2 - Z)(15 - 2)
(vi) (4 - ab)(8 + ab)

Answer 1

Step-by-step explanation:

by using identities ....

you will solve these questions easily ...