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Simplify the expression: 2√ 20  −  3√ 7  −  2√ 5 +  4√ 63 . A. 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 B. 2√ 20 − 3√ 7 + 4√ 63 C. 2√ 5 + 9√ 7 D. 2√ 20 − 4√ 7 − 2√ 5 Plz help
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Simplify the expression: 2√ 20  −  3√ 7  −  2√ 5 +  4√ 63 .

A. 2√ 20  −  3√ 7  −  2√ 5 +  4√ 63 
  B. 2√ 20  −  3√ 7  +  4√ 63 
  C. 2√ 5  +  9√ 7 
  D. 2√ 20  −  4√ 7  −  2√ 5 

Plz help

User IPeter
by
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2 Answers

1 vote
2√20 - 3√7 - 2√5 + 4√63

4√5 - 3√7 - 2√5 + 12√7

2√5 + 9√7

:)
User Jason Wiener
by
8.2k points
5 votes
2 sqrt20 - 3 sqrt7 - 2sqrt5 +4 sqrt63

= 4 sqrt5 - 3 sqrt7 - 2 sqrt5 + 12 sqrt7

= 2 sqrt 5 + 9 sqrt 7


Its C
User Tanj
by
8.6k points
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