Question

Quick plz....When √98- √128 is simplified it is equal to:

A,15√2

B, -√30

C. -√2

D. 10√3

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Answer 1

`-√(2)`

Explanation:

`√(98) -√(128)`

`√(49 * 2) -√(64 * 2)`

`√(49) √(2) -√(64) √(2)`

`7√(2)-8√(2)`

`=-√(2)`

Answer 2

It’s C thank me later