Problem

\( (x+9)^{2}+(2 x-8)^{2}=x^{2} \)

Answer

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Answer

\( 3x^{2}-50x=-17 \)

Steps

Step 1 ：\( (x+9)^{2}-(x^{2})=(2x-8)^{2} \)

Step 2 ：\( x^{2}+18x+81-x^{2}=4x^{2}-32x+64 \)

Step 3 ：\( 3x^{2}-50x=-17 \)

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