3 years ago

Simplify (2 {sqrt 5}+ 3 {sqrt 7})^2. Show your work. Justify each step.

Mathematics

1 answer:

White raven [17]3 years ago

4 0

(2√5 + 3(√7))^2
(2√5 + 3(√7))(2√5 + 3(√7))
4*5 + 6√35 + 6√35 + 9*7
20 + 12√35 + 63
20 + 63 + 12√35
83 + 12√35

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