3 years ago

Alex's work for the following quiz problem is as follows: Is Alex correct? if it's incorrect, what is the correct solution?

1 answer:

exis [7]3 years ago

3 0

Answer:

see explanation

Step-by-step explanation:

$\sqrt{10}$ and $\sqrt{5}$ cannot be simplified as they are already in simplest form.

Note that $\sqrt{10}$ + $\sqrt{5}$ ≠ $\sqrt{15}$

Thus

2 $\sqrt{10}$ + 5 $\sqrt{5}$ ← cannot be simplified any further

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