3 years ago

Simplify 6sqrt20 + 8sqrt5 – 5sqrt45

Mathematics

1 answer:

lukranit [14]3 years ago

6 0

Answer:

5√5

Step-by-step explanation:

<u>Simplify</u>

6√20 + 8√5 - 5√45 =
6√4(5) + 8√5 - 5√9(5) =
6(2)√5 + 8√5 - 5(3)√5 =
(12 + 8 - 15)√5 =
5√5

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