Help plz​

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

2-3 6. use your equation to find how high tyler will have to climb to scale the peak. (4 points: 2 points for correctly substituting values, 2 points for the correct height)

What expression is equivalent to (2x-1)(x-3)?