Question

Factorise each of the following expressions.


(i)
2ab - 2 − 2 + 1


(ii)
83 − (2 − 3)3


(iii)
3 − 92 + 272 − 273


(iv)
92 + 2 + 2 − 6 + 2 − 6​

Answer 1

Answer:

(i) 2ab - 3

(ii) 86

(iii) -90

(iv) 86

step by step explanation:

(i) 2ab -2 - 2 + 1

2ab -4 +1

2ab -3

(ii) 83 - (2-3)3

83 - (-1)3

83 - (-3)

83 + 3

86

(iii) (3 - 92 )+ (272 - 273)

- 89 - 1

- 90

(iv) 92 + 2 + 2 - 6 + 2 - 6

92 + 2 + 2 + 2 - 6 - 6

98 - 12

86