Question

Please someone help me. i really dont get this. If you help i give 40 POINTS Please help me

Answer 1

Answer: Only Carla

Explanation:

Only Carla

Carla said:

(x+1)(x-1)=8 FOIL

x²-1=8

x²=9

x=±3

Jordan said:

He will use 0 property rule but the factored portion must =0 It equals 8, so you can't use that property.

Answer 2

Only Carla's

Explanation:

I believe the answer is only Carla's because even though the left side is factored, there is still an 8 on the right side. To apply the zero product property rule, the equation needs to equal 0

Meanwhile Carla's works because then the equation would be x²=9 which we can easily take the square root of