Answers

2015-07-15T20:16:45+08:00
(x+5)² + (x-2)² = 37
Answer:
x² + 10 + 25 + x² - 4x + 4 = 37
2x² + 6x + 29 = 37
2x² + 6x + 29 - 37 = 0
2x² + 6x - 8 = 0
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