Question

simplify: square root of 18 + square root of 50

a. 4 square root of 17
b. 2 square root of 17
c. 8 square root of 2
d. 16 square root of 2

Answer 1

just factor & try to take pair of 2 inside squareroot.

Answer 2

pair of 2 same terms
it may be constant or variable

Answer 3

just as \[\sqrt{8}=\sqrt{2 \times 2 \times 2}=2\sqrt{2}\]