Question

factor completely
4a^2-16a

Answer 1

4a(a-4)

Answer 2

@jjuden

Answer 3

4a^2+16a+16
4(a^2+4a+4)
then use quadratic formula:
a=-(4) + or - square root of (4^2-4(1)(4)) all over 2
a=-4 + or - squre root of 16-16 all over 2
a=-4 +or - 0 all over 2
a=-4+0 over 2 and a= -4-0 over 2
so a=-2 then reverse it to put in equation to get:

Answer 4

4(a+2)(a+2)

Answer 5

4a^2-16a

Answer 6

I hadnt simplified at first