3. What is the constant term of (x - 5) 2 when expanded?
A. 25
B.-5
C. 5
D. -25
4. The cube of (y + 2) is equal to
A. y3 + 9y2 + 6y +8 B. y3 + 6y2 + 12y +8
C. y3 + 12y2 + 6y +8
D. y3 + 6y2 + 9y +8​