2q ex 9.4 find the product.(i) (5 – 2x) (3 x) (ii) (x 7y) (7x – y) (iii) (a^2 b) (a b^2)
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2. find the product. (i) (5 – 2x) (3 x) (ii) (x 7y) (7x – y)(iii) (a² b) (a b²)
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