Answer:
0.4,0.416,42%,15/12
True
Step-by-step explanation:
Just a guess
Expanded:x²-7x+4x-28
Simplified: x²-3x-28
7 - 4 3/4
= 28/4 - 19/4 = 9/4
Answer is 2 1/4 or 2.25.