Question

1) Let A = (1,4,7,8) and B = {4,6,8,9).
Find (0) A-B
(1) B-A
2) The product of two rational number is -7. If one of the numbers is
i find the other.
3) What must be added to 2x+6x-5 to get 3x - 2x+6
4) Expand: ( + )
5) Factorise: (a+b)2 - 36
Please fast answer​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

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