Question

The roots of the equation x^2-7x-18=0

Answer 1

Answer:

{- 2, 9}

Step-by-step explanation:

x² - 7x - 18 = 0

x² + 2x - 9x - 18 = 0

x(x + 2) - 9(x + 2) = 0

(x + 2)(x - 9) = 0

$x_{1}$ = - 2

$x_{2}$ = 9