Question

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

Answer 1

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 2

21

Explanation:

⇒ 3 √7( √7 - 2) + 2 √63

⇒ 3 ×√7 × √7 - 3 ×√7 × 2 + 2 × 3 ×√7

⇒ 3 × 7 - 6 √7 + 6 √7

⇒ 21