Solve: $\displaystyle \sqrt{2x+4}=-1/2 x+7$ could someone help me get the correct quadratic?
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Originally Posted by ~berserk Solve: $\displaystyle \sqrt{2x+4}=-1/2 x+7$ could someone help me get the correct quadratic? Squaring both sides you should end up with $\displaystyle 2x+4=\tfrac{1}{4}x^2-7x+49$ Do you think you can come up with the proper quadratic now? --Chris
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