find the discriminant and then, describe the nature of the roots
1. y² + 7x + 6 = 0
2. p² - 10p + 12 = 0
3. r² + 4r - 12 = 0
4. 4x² + 4x + 5 = 0
5. x² + 4x = -1
1. y² + 7x + 6 = 0
2. p² - 10p + 12 = 0
3. r² + 4r - 12 = 0
4. 4x² + 4x + 5 = 0
5. x² + 4x = -1
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