Question

Which is the exact value of the expression the square root of 32. − the square root of 50. + the square root of 128.?

2the square root of 7.
7the square root of 2.
22the square root of 2.
2the square root of 55.

Answer 1

@Omar_Elboredy could you help with this one also?

Answer 2

\[\sqrt{32}-\sqrt{50} + \sqrt{128} = 7\sqrt{2}\] which will be the second question (B)