Question

9√3(7√7-5√6) step by step answer please ​

Answer 1

Answer: 97.78

Step-by-step explanation:

9√3 ( 7√7 - 5√6)

= 9√3×7√7 - 9√3×5√6

=63√21 - 45√18

= 63√21 - 135√2

=97.78

Answer 2

Step-by-step explanation:

$9√3(7√7-5√6) \\ = 9√3 \times 7√7-9 \sqrt{3} \times 5√6 \\ = 63 \sqrt{21} - 45 \sqrt{18} \\ = 63 \sqrt{21} - 90 \sqrt{2}$