Slove -2.5\left(4x-3\right)−2.5(4x−3)

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

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