orlando19882000
orlando19882000 orlando19882000
  • 04-08-2017
  • Mathematics
contestada

Simplify the expression

Simplify the expression class=

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Banabanana
Banabanana Banabanana
  • 04-08-2017
[tex]7 \sqrt{7}-2 \sqrt{28}= 7 \sqrt{7}-4\sqrt{7}= 3 \sqrt{7} [/tex]

A.
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gvcci
gvcci gvcci
  • 04-08-2017
1. Simplify √28 to 2√7
7√7 - 2×2√7
2. Simplify 2×2√7 to 4√7
7√7-4√7
3. simplify
3√7 is your answer
Answer Link

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