SOLUTION: solve the equation by completing the square, give exact solutions. x^2+ 4x-12=0
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Question 50942: solve the equation by completing the square, give exact solutions. x^2+ 4x-12=0
Found 2 solutions by darq, stanbon:
Answer by darq(90) (Show Source): You can put this solution on YOUR website!
the formula under is the quadratic formula:
two avaible answers;
first:
second:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x^2+ 4x-12=0
x^2+4x+?=12+?
Complete the square to get:
x^2+4x+4=12+4
(x+2)^2=16
x+2=4 or x+2=-4
x=2 or x=-6
Cheers,
Stan H.
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