exam Maths Puzzle Numerical Ability

Evaluate the foloowing expression:

the square root of the total of the following: (x) + the square root of (x+2)

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Hi plz could you help me wiv this question..... factorise: (p+q)^2+5(p+q)
it would be a great help! thnk you! oh n the 2 out side the brackets is a squared sign thnx! A bicyclist rode into the country for 5 hours. In returning, her speed was 5 miles an hour faster and the trip took 4 hours. what was her speed each way?