Question

Factor -4d3 + 28d2 - 4d.

Answer 1

-4d( d^2 - 7d +1)

Answer 2

thank u how did u do that sorry im lost

Answer 3

ok. let me show u step by step

Answer 4

okay

Answer 5

-4d3 + 28d2 - 4d
we see the common term in all the terms
the common term is -4d
now we take -4d out

-4d3 + 28d2 - 4d. = -4d( d^2 - 7d +1)

Answer 6

as -4d x d^2 = -d^3
-4d x -7d = 28d^2
-4d x 1 = -4d

Answer 7

okay I understand