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ICE Princess25 [194]
3 years ago
13

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

Mathematics
2 answers:
Darina [25.2K]3 years ago
8 0

Answer:

<h2>3√7(√7-2)+2√63</h2><h2>21-6√7+2√63</h2><h2>21-6√7+2×3√7</h2><h2>21-6√7+6√7</h2><h2>21. answer </h2>

vesna_86 [32]3 years ago
3 0

Answer:

21

Step-by-step explanation:

<em>⇒ 3 √7( √7 - 2) + 2 √63</em>

<em>⇒ 3 ×√7 × √7 - 3 ×√7 × 2 + 2 × 3 ×√7</em>

<em>⇒ 3 × 7 - 6 √7 + 6 √7</em>

<em>⇒ </em><em>21</em>

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