book Maths Puzzle Numerical Ability

square x-2=8=0

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can you help me w/this please simplifying (3/x + 2/y)/5/x + 6/y^2 HI
I'm really stuck on this word problem and don't even know how to start it. can someone please help me ASAP because it's due in a few days. thanks
A biologist introduces 100 la