Question

factor completely: 8x^2-8x-16

Answer 1

Factor out 8 first.

Answer 2

answers
a) 8(x-2)(x-1)
b) 4(2x-2(x+1)
c) (4x+4)(4x-4)
d) 8(x-2)(x+1)

Answer 3

What did you get when you factored out the 8?

Answer 4

2^3

Answer 5

8x^2 -8x-16
divide everything by 8
8 (

Answer 6

8x-x-2

Answer 7

close
8(x^2 -x -2)

Answer 8

can you factor x^2 -x -2

( x )( x )

Answer 9

what 2 numbers mult to get -2 and also add to get -1

Answer 10

-2 times 1= -2
and -2 + 1= -1

Answer 11

so -2 and 1

Answer 12

right
8(x -2)(x + 1)

Answer 13

make sense?

Answer 14

yes thank you :)

Answer 15

yw