Answer if you are good at finding the roots (zeros) in equations. the question is in the attached picture
If you have any questions just let me know.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?