SOLUTION: solve the quadratic equation (x-3)squared=36 by the square root method.

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Question 4356: solve the quadratic equation (x-3)squared=36 by the square root method.
Answer by rapaljer(4671)   (Show Source): You can put this solution on YOUR website!


Take the square root of both sides to "undo" the square.




To solve for x, add +3 to each side of the equation:


In the first case, this means x = 3 + 6, which is x = 9.
In the second case, this means x= 3 - 6, which is x = -3.

Check your answers in the original equation:

For x = 9,
For x = -3,

R^2 at SCC



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