Solve the quadratic equation x square + 6 x + 9 equals 0​

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Solve this problem! extra ! 3025/5.5 = a/90.75