How to solve square root property

4(2x+3)^2=64
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Divide through by 4: (2x+3)^2=16; square root of both sides: 2x+3=±4. Put another way, 2x+3=4 or 2x+3=-4. From these, 2x=1 or 2x=-7. And this gives us x=1/2 or x=-7/2.

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