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I. 3p² - 17p + 22 = 0
II. 5q² - 21q + 22 = 0
I. x2 – 3(x + 5) = -11
II. y2 – 4(y + 2) = -2y
I. 5x + y = 37
II. 4y+ x = 15
I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0
I. 2x2- 5x - 33 =0
II. 2y2+ 5y - 25 = 0
I. p2 – 15p + 56 = 0
II. q2 + 2q – 63 = 0
I. x2 + x – 42 = 0
II. y2 + 6y – 27 = 0
I. 35x² + 83x + 36 = 0
II. 42y² + 53y + 15 = 0
I. 35x² - 46x – 16 = 0
II. 35y² - 116y + 96 = 0
What is the nature of the roots of the quadratic equation x² – 5x + 7 = 0 ?