Factor (x-1)^3 (4x-9) - (16x+9) (x+1)^2 ? explain steps, i'm stuck !

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

10 points? me . its important ‼️‼️