Yes. The first is -5, the second is 5i (sqrt 25 x sqrt -1).
The square root of 28 minus the squared root of 7 =±2.64575131
The square root of minus 8 is equal to the square root of 8 times the square root of minus 1, or 2.8284i.
4 x square root of 10 minus square root of 10 = 3 x square root of 10.
9 square root 4 minus 12 square root 4 = -6
Answer: The difference between the square root of x and squared is either x or -x. Answer: The square root is the inverse function of the square function. That means that it's basically the opposite. Asking for the square root of "x" is like asking "what number must I square to get 'x'".
A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.
Square root 400 - square root 196 = 6
Square root (24) - square root (6) = 2.44948974
To 3 decimal places, the answer is -3.924
The square root of -4 is: 2 i
2.82842712
They are the same.