anna11141 anna11141
  • 21-12-2019
  • Mathematics
contestada

=3√7(√7-2)+2√63
With all the steps please

Respuesta :

adarshbsp132
adarshbsp132 adarshbsp132
  • 21-12-2019

Answer:

3√7(√7-2)+2√63

21-6√7+2√63

21-6√7+2×3√7

21-6√7+6√7

21. answer

Answer Link
skumari skumari
  • 21-12-2019

Answer:

21

Step-by-step explanation:

⇒ 3 √7( √7 - 2) + 2 √63

⇒ 3 ×√7 × √7 - 3 ×√7 × 2 + 2 × 3 ×√7

⇒ 3 × 7 - 6 √7 + 6 √7

⇒ 21

Answer Link

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