Question

solve the equation x²+9x+18=0 by quadratic formula​

Answer 1

Answer:

x= -6&-3

step by step explanation:-

Answer 2

Answer:

-3,-6

Step-by-step explanation:

$x^{2} + 6x + 3x + 18 = 0 \\ x(x + 6) + 3(x + 6) = 0 \\ (x + 3)(x + 6) = 0 \\if( x + 3) = 0 \\then \: x = - 3 \\ or \\ if \: (x + 6) = 0 \\ then \: x = - 6$