ya) 24. (a - 2b - 2)
E
1
Exercise 23E
1. i. 5x4y2 ii. 4a?b*c* ii. 7a+biv. -86x 2.1.} (3x - 4)
i. 10x4 - 8x + 3x ü. –2(– 282y + 3y) iv. 2x – 3y + 4
3. i. X-5 . 3 iii. 6x iv. I ab 4. i. 12xyz il. 2b(a + 5)
iii. 3 =(x + y) iv. 462? + 3x + 7) 5.1.x- 12 11.36 3)
in. 2y(2 + 4) iv. 3 u(- y) v. 3(5a – 45) vi. 30(7x – 4)
6. i. x - 6 ii. y + 7 iii. 3a + 1 iv 3 + 3x + x 2 – 5x + 3
vi. 3x2 + 3x +2 1. i. y - 2 i x-2 iii. c? - 2+1
iy. 5a? – 9a + 3 v. 3r? + 5 vi. y2 + y + 1 8 (y - 3)
9. a = 3 10. a - 2
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