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Mckinley Clark
Mathematics
15 September, 19:15
What is 5√28 + √63
in simplest radical form?
+3
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1
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Karen Doyle
15 September, 19:42
0
5√28 + √63 = 5√ (4*7) + √ (9*7) = 5√4√7 + √9√7 = 5*2√7+3√7=10√7+3√7=
= (√7) (10+3) = 13√7
Answer is 13√7.
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