Answer:
x² - 9x + 18 = 0
a = 1
b = - 9
c = 18
Step-by-step explanation:
(x-3)(x-6) = 0 Open the brackets by multiplication
x(x - 6) - 3(x - 6) = 0
x² - 6x - 3x + 18 = 0
x² - 9x + 18 = 0 standard form
Hence, a = coefficient of x² = 1
b = coefficient of x = - 9
c = constant term = 18