Question

zeros of x²+9x+18 are​

Answer 1

Step-by-step explanation:

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