-9+t=12 will award brainliest

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Me. i can't figure out this question. give an explanation too. .

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.