Solve the equation sqrt(x+8) + sqrt(x+1) =7

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Solve the equation sqrt(x+8) + sqrt(x+1) =7
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By inspection x = 8. √8 +8) + √8 + 1) = √16 + √9 = 4 + 3 = 7. There are only so many ways to get to a number as low as 7.

jim