SOLUTION: Complete the square. x^2 - 2x= 30
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Question 482676: Complete the square. x^2 - 2x= 30
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
...take half of the coefficient (don't forget the sign!) of the which is is ,square it (which will be , and add this square to both sides of the equation
=+-
=+-
solutions:
or
if ...->.....->...
or
if ...->.....->...
check:
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