Solve for x: (2x-3)^2=16.
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Explanation:
(2x-3)^2 = 16
4x^2-12×+9 = 16
4x^2-12x+9-16=0
4×^2-12×-7=0
4×^2-14×+2×-7=0
2×(2×-7)+1(2×-7)=0
(2×+1) (2×-7)=0
2×+1=0 or 2×-7=0
×= -1/2. or x= 7/2
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