SOLUTION: I'm having trouble with this problem, anyone know how to do it? -9(x-3)^2=-7

Question 51197This question is from textbook Beginning Algebra
: I'm having trouble with this problem, anyone know how to do it?
-9(x-3)^2=-7 This question is from textbook Beginning Algebra

Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
First, divide both sides by -9 to yield . This simplifies to . Now take the square root of both sides to produce . Adding 3 to both sides produces , which simplifies to . is the same as , which simplifies to , so now we have , or . To check our answer, substitute it into the original equation thusly: . This simplifies to , which simplifies further to , which produces . Because these number are extremely close, it means our answer of x = .8819166 is correct.
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