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7 i vya (iv) a-9,4a Questionnaire 9.3 1....

7 i vya (iv) a-9,4a Questionnaire 9.3 1. Multiply the expressions of each in the following pairs: 04p.g + r (ii) ab, a-b (in) a + b, 7a- b (v) pd + or + rp, 0 2. Complete the table: Second expression b + c + d Product, abtact ad First expression a x + y-5 8888 P 4pq a + b + c _5xy. 6p-7p + 5 -p-4 abc 663 pp. lupar-uptar Taberabet abc 3. Find the product: (i) (a) x (2a ") x (4d26) (iv) xxxxxxx 4. Simplify (a) 3x (4x-5) +3 and (i) for x = 3 and (ii) x == Find the value. (b) Simplify a (a + a + 1) +5 and (i) a = 0, (ii) a = 1 and (iii) a = -1. Find its value for. 5. Add (a) p (p-1), 1 (4-7) and r (r-p). (b) Add 2x (z-x-y) and 2y (+/- y-x). (c) Subtract 31 (1-4m + 5n) out of 4 / (10n - 3m + 21). (d) Subtract 3a (a + b + c) -2bla- b + c) out of 4c (-a + b + c).

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