Simplify: √63 - 5√28 + 11√7.
Answers
Answered by
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:
Answered by
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
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