SOLUTION: Find the value or values of y in the quadratic equation y^2+4y+4=7

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Question 28729: Find the value or values of y in the quadratic equation y^2+4y+4=7
Answer by checkley71(8403) About Me  (Show Source):
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Y~2=4Y=4=7 OR (Y+2)(Y+2)=7 OR (Y+2)~2=7 OR TAKING THE SQUARE ROOT OF BOTH SIDES
Y+2=SQRT7 OR Y=-2+SQRT7.