SOLUTION: find a if sqrt(8) + sqrt(18) = sqrt(a)

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Question 1125736: find a if sqrt(8) + sqrt(18) = sqrt(a)
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Square both sides to get


    a = 8+%2B+18+%2B+2%2Asqrt%288%29%2Asqrt%2818%29 = 26+%2B+2%2A2%2Asqrt%282%29%2A3%2Asqrt%282%29 = 26 + 2*2*3*2 = 26 + 24 = 50.

Answer.   a = 50.