1. 5 - 2x² = 6x
2x² - 6x + 5 = 0
2. (x - 4)² + 8 =0
x² - 8x + 16 + 8 = 0
x² - 8x + 24 = 0
3. 2x(x + 4) = (x - 3) (x - 3)
2x² + 8x = x² - 6x + 9
2x² - x² + 6x - 9 + 8x = 0
x² + 14x - 9 = 0
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Answers & Comments
1. 5 - 2x² = 6x
2x² - 6x + 5 = 0
2. (x - 4)² + 8 =0
x² - 8x + 16 + 8 = 0
x² - 8x + 24 = 0
3. 2x(x + 4) = (x - 3) (x - 3)
2x² + 8x = x² - 6x + 9
2x² - x² + 6x - 9 + 8x = 0
x² + 14x - 9 = 0