Question

Factor by grouping.

3dt - 21d + 35 - 5t
A. (3d - 5) (t + 7)
B. (3d - 5) (t - 7)
C. (3d + 5) (t + 7)
D. (3d + 5) (t - 7)

Factor by grouping.
vp + 12v + 8p + 96
A. (v + 8) (p - 12)
B. (v - 8) (p - 12)
C. (v + 8) (p + 12)
D. (v + 8) (p - 12)

Factor by grouping
5gf^2 + g^2f + 15gf
A. gf (5f + g + 15)
B. 5gf (f + 3)
C. (5f + g) (f + 3)
D. gf (5f - g + 15)

Answer 1

1.)b
2.)c
3.)a
1.)work
(3dt-21d)+(35-5t)
=3d(t-7)+5 (7-t)
=3d(t-7)-5(-7+t)
=3d(t-7)-5(t-7)
=(t-7)(3d-5)


2.) work
vp+12v+8p+96
=(vp+12)+(8p+96)
=v(p+12)+8(p+12)
=(p+12)(v+8)

Answer 2

the correct answers are A C and B