exam Maths Puzzle Numerical Ability

By subtracting, how would you find and write the answer to this problem in lowest terms?

y/y^2+y-20-4/y^2+y-20

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exam Other Question

please help me solve this problem x2-3x+2=0 thank you The profit on a small appliance is given by P = x� -3x -60, in which x is the number of appliances sold per day. How many appliances were sold on a day when there was a $20 loss?