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If we express 3x^2-6x-2+5x^2-2x-3 in the form a(x-h)^2+k what is a+h+k

 May 30, 2021
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It's $8x^2-8x-5$.  So $a=8$, then factor it out and complete the square to find $h,k$.

 May 30, 2021

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