Question

Simplify 5 square root of 11 end root minus 12 square root of 11 end root minus 2 square root of 11.

negative 33 square root of 9
negative 11 square root of 9
negative 9 square root of 11
negative 9 square root of 33

Answer 1

When we have the same square root across multiple terms...we just ignore the root and focus on the coefficients

\[\large 5\sqrt{11} - 12\sqrt{11} - 2\sqrt{11}\]

\[\large (5 - 12 - 2)\sqrt{11}\]
\[\large -9\sqrt{11}\]

Answer 2

@johnweldon1993 thank you I was thinking it was C but i wanted to make sure (:

Answer 3

No problem! And since you had it right anyways...good job :D

Answer 4

@johnweldon1993 thanks (: