Simplify 5(sqrt{18}) – 3(sqrt{72}) + 4(sqrt{50})
-
A.
17(sqrt{4}) -
B.
4(sqrt{17}) -
C.
17(sqrt{2}) -
D.
12(sqrt{4})
Correct Answer: Option C
Explanation
5(sqrt{18}) – 3(sqrt{72}) + 4(sqrt{50}) = 5(3(sqrt{2})) – 3(6(sqrt{2})) + 4(5(sqrt{2}))
15(sqrt{2}) – 18(sqrt{2}) + 20(sqrt{2}) = 35(sqrt{2}) – 18(sqrt{2})
= 17(sqrt{2})