Use the quadratic formula to solve x² + 8x + 9 = 0.

What are the solutions to the equation?

Round irrational solutions to the nearest tenth.

A. x = −1.2 and x = −6.8

B. x = 1 and x = −9

C. x = −6.6 and x = −1.4

D. x = −1 and x = −8