C^-24 times c^9 times c^-87 answer using positive exponents

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box