Question

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Answer 1

Answer:

The Correct Answer is Option (c)

Step-by-step explanation:

In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square is x. For example, 4 and −4 are square roots of 16, because 4² =  16

$\sqrt{125} + \sqrt{25}$

= $\sqrt{5 X 5 X 5} + \sqrt{5 X 5}$

= $5\sqrt{5} + 5$

Answer 2

Answer:

sqrt (125) can be simplified as sqrt (25 × 5)

Bring 25 outside of the root (which will turn to sqrt (25) which is 5):

sqrt (125)

= sqrt(25 × 5)

= 5 × sqrt(5)

And sqrt(25) = 5

So, your answer is (C) 5 × sqrt (5) + 5