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

It’s C thank me later

Answer 2

Answer:

$-\sqrt{2}$

Step-by-step explanation:

$\sqrt{98} -\sqrt{128}$

$\sqrt{49 \times 2} -\sqrt{64 \times 2}$

$\sqrt{49} \sqrt{2} -\sqrt{64} \sqrt{2}$

$7\sqrt{2}-8\sqrt{2}$

$=-\sqrt{2}$