Evaluate the polynomial expression 16x^2-16x 4 for .x=2

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If the polynomial is 16x2-16x+4=4(2x-1)2. When x=2, this evaluates to 4(32)=36.

If the polynomial is 16x2-16x-4=4(4x2-4x-1). When x=2, this evaluates to 4(7)=28.

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