Help me pls with these 2 i will give brainliest for correct answer

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

How do i do this activity, is appreciated

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00