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If you square an expression and then take the square root, the squaring and the square root cancel one another, EXCEPT that the sign will be positive. Thus, if you square 16x, and then take the square root, the answer can be 16x or -16x, depending on whether "x" is positive or negative. Or if you only square x, and then take the square root of the entire expression, it would be 4x or -4x (once again, depending on whether "x" is positive or negative).

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Q: What is the square root of 16x squared?

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The square root of 324 is 18. Do you mean the square root? Or do you mean the root of 324, squared? If you do, and by "root" you mean "square root", then 324.

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Since a squared plus b squared equals c squared, that is the same as c equals the square root of a squared plus b squared. This can be taken into squaring and square roots to infinity and still equal c, as long as there is the same number of squaring and square roots in the problem. Since this question asks for a and b squared three times, and also three square roots of a and b both, they equal c. Basically, they cancel each other out.

2

Do you mean: What is the square root of (8 squared)? If so, there are two answers: 8 and -8. Or do you mean: What is the (square root of 8) squared? If so, there is only one answer: 8.

it is 18 because when you put all the numbers back into the square root it becomes the square root of 18 and the square root of 18 squared would be 18

If a is any number, then a squared = (-a) squared, so one might say that a and -a are both square roots of a squared. However, the square root symbol always means the positive square root.

No.

The square of any square root is equal to the number itself. For example, the square of the square root of 2 squared is equal to 2. The square root of 10 squared is equal to 10.Similarly, the square of the square root of 2 is equal to 2.

[square root (78)] squared = 78. There is not a surd from for an integer.

The square root of 5 squared is 5, which is a rational number.

The square root of meter squared is meter.

The square root of 28 minus the squared root of 7 =±2.64575131

30

the squared root

√(10x) * √(8x) = √(80x²)√(80x²) = √(16x²) * √(5) = 4x*√(5)■

-7.. square root cancels out square

The square root of 81 squared is 81.

b over the square root of 5 The square root of 5b squared is 5b, and the simplified form of the square root of 125 is 5 root 5. The 5s then cancel out leaving b over the square root of 5.

It's the square root of a2+b2. It cannot be simplified. It is NOT a+b. The answer is c square.