File:المعادلة التربيعية.jpg
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![File:المعادلة التربيعية.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/4/47/%D8%A7%D9%84%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%A7%D9%84%D8%AA%D8%B1%D8%A8%D9%8A%D8%B9%D9%8A%D8%A9.jpg/580px-%D8%A7%D9%84%D9%85%D8%B9%D8%A7%D8%AF%D9%84%D8%A9_%D8%A7%D9%84%D8%AA%D8%B1%D8%A8%D9%8A%D8%B9%D9%8A%D8%A9.jpg?20170606094309)
Size of this preview: 580 × 600 pixels. Other resolutions: 232 × 240 pixels | 464 × 480 pixels | 743 × 768 pixels | 990 × 1,024 pixels | 1,665 × 1,722 pixels.
Original file (1,665 × 1,722 pixels, file size: 109 KB, MIME type: image/jpeg)