Answer
$7\sqrt{3}$
Work Step by Step
Simplify each radical to have
$5\sqrt3+\sqrt{4(3)} \text{ and}
\\5\sqrt{3} + 2\sqrt{3}.$
RECALL:
$ac+bc=(a+b)c$
Combine like terms using the rule above to have:
$=(5+2)\sqrt{3}
\\=7\sqrt{3}.$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 6 - Radical Functions and Rational Exponents - 6-3 Binomial Radical Expressions - Lesson Check - Page 378: 4
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