Question

What is the following sum in simplest form?

√8 + 3 √2+ √ 32

A. 3 √8+ 3 √2
B. 5 √42
C. 9 √2
D. 5 √2 + √32

Answer 1

C. 9√2.

Explanation:

√8 + 3 √2+ √ 32

= √4 *√2 + 3√2 + √16*√2

= 2√2 + 3√2 + 4√2

= 9√2.