exam Maths Puzzle Numerical Ability

add the following

5b^3-8b+2b^2 and 3b^2-7b^3+5b

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exam Other Question

i have a list of numbers can i get the formula or the pattern for the same
1)63 06 50 98 43 00 89 10 07 36 47 22 83 45 46 64 71 59 25 71 33 18 48

2)89 55 74 37 23 23 42 18 34
y=-x show how to graph