3 years ago

How do i work this out please?

Mathematics

2 answers:

Anna [14]3 years ago

6 0

Answer:

$5 \sqrt{5} - 2 \sqrt{5} = 3 \sqrt{5} \\ 8 \sqrt{7} + 3 \sqrt{7} = 11 \sqrt{7}$

hope this helps.

solniwko [45]3 years ago

5 0

Answer:

$11 \sqrt{7}$

Step-by-step explanation:

$8 \sqrt{7} + 3 \sqrt{7}$

$\sqrt{7} (8 + 3)$

$11 \sqrt{7}$

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