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Anthonny
Determine as raízes de cada equação A) x² - 3x = 0 B) 4x² = -16x C) 0,5x² + 10x = 0 D) x² + 5:2x = 0 e) 3:4x² - 15x = 0 f) 9x2 + 16,8x = x² g) 2x² - 12x = x² + 5x h) x² - 5x = -4x² - 2x
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