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3 years ago

10

Combine these radicals 3sq root 2 - 5 square root 2

1 answer:

Flura [38]3 years ago

7 0

Answer:

- 2 $\sqrt{2}$

Step-by-step explanation:

Combining radicals is similar to collecting like terms in algebra, that is

3x - 5x = x(3 - 5) = - 2x, so

$\sqrt{2}$ (3 - 5) = - 2 $\sqrt{2}$

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