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thanks for the help but i was wondering (16 square root of x-3) times(square root of x-1) is equal to 16x-19 square root of x then plus 3

No, it is not.

16 (sqrt (x-3) ) (sqrt (x-1))

if that is your problem. It is hard to determine from your text. Use parenthesis please.

16 (sqrt (x-3) ) (sqrt (x-1))

is the correct problem now how do u do that..sorry for the lack of paranthesees :(

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