The answer to square root of 9 for example, is 3 and -3... When you multiply 3 times -3 it comes out to be 9
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x2 + 4x = 41
The square root of 2 plus the square root of 2 is equal to twice the square root of 2, therefore the correct answer is: 2(√2) or √8
2
29
Square root of 2 = 1.414213562... Square root of 7 = 2.645751311... The sum is 4.059964873...