As we can clearly see, x = 5, y = 3/2 and z = 6 Therefore, => x + y + z = 5 + 3/2 + 6 = 25/2
I. x2 + 91 = 20x
II. 10y2 - 29y + 21 = 0
I. 63x² + 146x + 80 = 0
II. 42y² + 109y + 70 = 0
I. 5x2 – 7x – 6 =0
II. 2y2 – 5y – 7 =0
I. x² + 11x + 24 = 0
II. y² + 17y + 72 = 0
I. 8x² + 2x – 3 = 0
II. 6y² + 11y + 4 = 0
I. 2x2 - 9 x + 9 = 0
II. 2y2 - 7 y + 3 = 0
I. 195x² - 46x - 21 = 0
II. 209y² + 7y - 12 = 0
I. 27(p + 2) = 2p(24 – p)
II. 2q2 – 25q + 78 = 0
I. 2x2– 25x + 33 = 0
II. 3y2+ 40y + 48 = 0
I. x2 + 16x + 63 = 0
II. y2 + 2y - 15 = 0
