exam Maths Puzzle Numerical Ability

5/x+6 + 2/xto the second power+7x+6 = 3/x+1 Solve for x. I do not even know how to start this problem. Thank you in advance.

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exam Other Question

Here is one of the hardest problems I have even seen! Can you please see if you can help with this one? I feel like I can write some functions, but I am really confused.

Produ What is a polynomial ?