because an item is slightly dameged, a stock clerk reduced the price by $6. this represents 15% reduction.what was the original
1 answer:
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C
expand factors, sum like terms and divide by 2
(x + 2)² + (x - 2)² = x² + 4x + 4 + x² - 4x + 4 = 2x² + 8
(2x² + 8 ) = x² + 4 → C
