Question

What is the difference of 325–√−175–√
?(1 point)
Responses

The radicals cannot be combined using subtraction.
The radicals cannot be combined using subtraction.

150–√

15 square root of 0

495–√

49 square root of 5

155–√

Answer 1

Assuming the expression is √325 − √175:

√325 = √(25·13) = 5√13
√175 = √(25·7) = 5√7

So √325 − √175 = 5√13 − 5√7 = 5(√13 − √7).