Question

9√63÷3√7 is equal to:​

Answer 1

Answer:

9

Step-by-step explanation:

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Answer 2

Answer:

7√63 - 3√7 = (√7 x √7) (√(7 x 9)) - 3√7 = ( √7 x √7 x √7 x 3) - 3√7 = 3√7 {(√7 x √7) - 1} = 3√7 x (7–1) = 3√7 x 6 = 18√7.