I need help (;´༎ຶٹ༎ຶ`)

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply