Hanoi topped the list of the world's most polluted cities with PM2.5 levels of 266 micrograms per cubic meter.
I. x2 + 11x + 30 = 0
II. y2 + 17y + 72 = 0
I. 2x² + 11x + 12 = 0
II. 2y² + 19y + 45 = 0
I. 22x² - 97x + 105 = 0
II. 35y² - 61y + 24 = 0
I. 2x² - 15x + 27 = 0
II. 2y² - 13y + 20 = 0
The quadratic equation (p + 1)x 2 - 8(p + 1)x + 8(p + 16) = 0 (where p ≠ -1) has equal roots. find the value of p.
I. 6p2 – 7p = 5p – 7p2 + 25
II. 11q2 – 63q + 90 = 0
I. 2y² - 3y – 14 = 0
II. 3x² - 7x + 4 = 0
Equation 1: x² - 180x + 8100 = 0
Equation 2: y² - 170y + 7225 = 0
I. 22x² - 97x + 105 = 0
II. 35y² - 61y + 24 = 0
I). p2 + 17p - 234 = 0
II). q2 - 21q + 108 = 0