SOLUTION: i need help step by step to find the solution to the equation 3=Square 9-x
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Question 605984: i need help step by step to find the solution to the equation 3=Square 9-x
Answer by Sarey(4) (Show Source): You can put this solution on YOUR website!
Factor x-9 into (sqrt x + 3)(sqrt x - 3)
Then cancel the opposite factors, leaving a -1 in place and you have
lim as x->9 of -(sqrt x + 3)
Plug in 9 for x and you have -(3+3) = -6
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