Question

Simplify: √63 - 5√28 + 11√7.​

Answer 1

Answer:

√63 as √7×9

√28 as √7×4

so,

√63-5√28+11√7

√7×9 - √7×4 +11√7

3√7-2√7+11√7

12√7 is the answer

Step-by-step explanation:

Answer 2

Answer:

answer is 4√7

Step-by-step explanation:

√63 - 5√28 + 11√7

√(3×3×7) - 5√(2×2×7) + 11√7

3√7 - 10√7 + 11√7

14√7 - 10√7

4√7