Help me with question 20 for brainliest

Find the zeros of each function. f(x) = x^2 + 5x - 6

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?