Find the possible value or values of  yin the quadratic equation 4 – 4y  –  y2  = 0.

First off you should really type the equation in the proper order and also use the carat symbol to show that something is to the power too, so your equation shouldve looked like this.
-y^2 -4y + 4 = 0
But all yuo need to is plug the equation into a calculator and search for where it intersects the X line. the answers are

(.828, 0) , (-4.83, 0)

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;

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