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Question
Simplify.
`7 sqrt 48 - sqrt 27 - sqrt 3`
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Solution
`7 sqrt 48 - sqrt 27 - sqrt 3`
`=7 sqrt (16 xx 3) - sqrt (9 xx 3) - sqrt 3`
`= 7 xx 4 sqrt 3 - 3 sqrt 3 - sqrt 3`
`= 28 sqrt 3 - 3 sqrt 3 - sqrt 3`
`=(28-3-1)sqrt3`
`= 24 sqrt 3`
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