Plz its due !
given the expression: 5x10 − 80x2

part a: rewrite the expression by factoring out the greatest common factor. (4 points)

part b: factor the entire expression completely. show the steps of your work. (6 points)

Which of the binomials below is a factor of this trinominal? x^2-13+30

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.