Simplify 5 sqrt 18 - 3 sqrt 72 4 sqrt 50 - JAMB Mathematics 1992 Question
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 option: c
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})
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