Simplify -3sqrt2 + 3sqrt8. A. 9sqrt2 B. 0 C. 3sqrt2 D. -3sqrt2

Mathematics

2 answers:

Nana76 [90]3 years ago

8 0

Answer:

3 sqrt2.

Step-by-step explanation:

-3sqrt2 + 3sqrt8

= -3 sqrt2 + 3 sqrt(4 * 2)

= -3 sqrt2 + 3 sqrt4 sqrt2

= -3 sqrt2 + 3*2 sqrt2

= - 3 sqrt 2 + 6 sqrt 2

= 3 sqrt2.

gogolik [260]3 years ago

6 0

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