Question

" 1
(i) 150 - 6
(i) 322-18
(0) + -
(1) 2012 - 45
(1) 9,2 - 4(v + 21)
(6 263 - 2)2 - 50v
( 108,2 - 3( -c
(it) - ab
(i) 5022 - 203-2)
(ii) (x-2)(x + 2) + 3.
Hint. (i) (1-2) (x + 2) + 3 (2 - 4)+ 3 - 1
(0) - 2y + 4y
CD 402-12 + 24 +0.
(i) a (a - 2) - (1-2)
(it) a(a - 1) - bb-1).
(1) 9-12 + 2xy - y
(it) 94- (12 + 2x + 1).
() 24-12-121 - 36
(ii) -522-x+ 5.
() 44-14+262 - 1
(ii) - 25
() 24-32
10
11
12
13
15
(it) 2 - 2xy + y - 42 - 2ab - 12
(0) (2-2) (2-2) -4abcd
(ii) 4x2 - y2 - 3xy + 2x - 2y.
Hint. (1) Given expression = (ac - 1)2 - (be + ad)
(it) Given expression = (39-y2) + (3x2-3xy) + (21-2y).
(D) " + 5/9 + 9
16
17 ( 44 - 72
(it) - 14.4+1
18 Express each of the following as the difference of two squares:
() (2 - 5x + 7) (12 + 5x + 7) (ii) (
15x + 7 (1 517)
(iii) (+ 5x - 7) (2 - 57 + 7).
19 Evaluate the following by using factors:
(i) (979) - (21)
(ii) (99.9) - (0:1)​

Answer 1

Answer:

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